Professor Roger Seymour

Professor Roger Seymour
  • Qualifications

    University of California, Los Angeles.  Zoology. 1968-1972  (PhD.)

    University of California, Riverside.  Zoology. 1965-1967  (BA.)



  • Awards & Achievements

    DSc, University of Adelaide (2001)

    Alexander von Humboldt Foundation Lifetime Research Prize (2006)

  • Research Interests

    Quantitative interactions and exchanges between organisms and their environments, with a broadly based comparative and evolutionary approach.

    Respiration, metabolism and energetics of vertebrate embryos.

    Cardiovascular and respiratory physiology of animals, particularly vertebrates.   Emphasis has been placed on the roles of diffusion and convection of respiratory gases in animals in extreme environments, for example, diving and burrowing species.

    Comparative thermoregulation of diverse organisms, including plants and insects.

    Physiology and biology of fossil vertebrates, including archosaurs and human relatives.

  • Publications

    Ten most significant publications (as first author)


    Seymour, R.S., V. Bosiocic and E.P. Snelling. 2016. Fossil skulls reveal that blood flow rate to the brain increased faster than brain volume during human evolution.  Roy. Soc. Open Sci. 3: 160305. [first evidence that cerebral metabolism and cognitive ability is not proportional to brain volume during hominin evolution]

    Seymour, R.S. 2010. Scaling of heat production by thermogenic flowers: limits to floral size and maximum rate of respiration.  Plant Cell Environ. 33: 1474-1485. [review summary of 35 years of my data on heat producing flowers]

    Seymour, R.S., C.L. Bennett-Stamper, S.D. Johnston, D.R. Carrier, and G.C. Grigg.  2004.  Evidence for endothermic ancestors of crocodiles at the stem of archosaur evolution.  Physiol. Biochem. Zool. 77: 1051-1067. [comprehensive physiological evidence of ancient endothermy in dinosaur relatives; highly cited]

    Seymour, R.S., C.R. White and M. Gibernau.  2003.  Heat reward for insect pollinators.  Nature (Lond.) 426: 243-244. [first demonstration and quantification of a substantial energy reward for beetles attracted to thermogenic flowers]

    Seymour, R.S. and A.J. Blaylock.  2000.  Invited perspectives: The principle of Laplace and scaling of ventricular wall stress and blood pressure in mammals and birds.  Physiol. Biochem. Zool. 73: 389-405.  [review of 20 years of my data collecting concerning the relationship between blood pressure, heart size and body mass in endotherms]

    Seymour, R.S. and P. Schultze-Motel.  1996.  Thermoregulating lotus flowers.  Nature (Lond.) 383: 305.  [first discovery of precise thermoregulation in a flower of a dicot plant]

    Seymour, R.S. and D.F. Bradford.  1995.  Invited Perspectives:  Respiration of amphibian eggs.  Physiol. Zool. 68:  1-25.  [summary of physiology and evolutionary constraints of gas exchange in amphibian embryos]

    Seymour, R.S., A.R. Hargens and T.J. Pedley.  1993.   Invited Review:  The heart works against gravity.  Amer. J. Physiol. 265 (Regulatory Integrative Comp. Physiol. 34):  R715-R720.  [resolution of a controversy regarding the physics of blood flow in collapsible vessels in real animals]

    Seymour, R.S. and H.B. Lillywhite.   1976.   Blood pressure in snakes from different habitats.   Nature (Lond.) 264:  664-666.  [first documentation of adaptive evolution of blood pressure in relation to aquatic, terrestrial or arboreal behaviour]

    Seymour, R.S.   1974.   How sea snakes may avoid the bends.   Nature (Lond.) 250:  489-490. [first description of a unique combination of cutaneous gas exchange and cardiac shunting that eliminates nitrogen while obtaining oxygen from the seawater]


    Research papers in peer-reviewed journals:


    1.          Seymour, R.S.   1972.   Convective heat transfer in the respiratory systems of panting animals.   J. Theoret. Biol. 35:  119-127.

    2.          Lasiewski, R.C. and R.S. Seymour.   1972.   Thermoregulatory responses to heat stress in four species of birds weighing approximately 40 grams.   Physiol. Zool. 45: 106-118.

    3.          Seymour, R.S.   1972.   Behavioral thermoregulation by juvenile green toads, Bufo debilis.   Copeia 1972:  572-575.

    4.          Nagy, K.A., D.K. Odell, and R.S. Seymour.   1972.   Temperature regulation by the inflorescence of Philodendron.   Science 178:  1195-1197.

    5.          Seymour, R.S. and A. Vinegar.   1973.   Thermal relations, water loss and oxygen consumption of a North American tarantula.   Comp. Biochem. Physiol. 44A:  83-96. 

    6.          Seymour, R.S.   1973.   Physiological correlates of forced activity and burrowing in the spadefoot toad, Scaphiopus hammondii.   Copeia 1973:  103-115.

    7.          Seymour, R.S.   1973.   Energy metabolism of dormant spadefoot toads (Scaphiopus).   Copeia 1973:   435-445.

    8.          Seymour, R.S.   1973.   Gas exchange in spadefoot toads beneath the ground.   Copeia 1973:  452-460.

    9.          Seymour, R.S. and J.E. McCosker.   1974.   Oxygen consumption of the commensal fish, Carapus homei.   Copeia 1974:  971-972.

    10.       Seymour, R.S. and A.K. Lee.   1974.   Physiological adaptations of anuran amphibians to aridity:  Australian prospects.   Aust. Zoologist 18:  53-65.

    11.       Seymour, R.S.   1974.   Convective and evaporative cooling in sawfly larvae.   J. Insect Physiol. 20:  2447-2457.

    12.       Seymour, R.S.   1974.   How sea snakes may avoid the bends.   Nature 250:  489-490.

    13.       Seymour, R.S. and M.E.D. Webster.   1975.   Gas transport and blood acid-base balance in diving sea snakes.   J. Exp. Zool. 191:  169-181.

    14.       Heatwole, H. and R.S. Seymour.   1975.   Pulmonary and cutaneous oxygen uptake in sea snakes and a file snake.   Comp. Biochem. Physiol. 51A:  399-405.

    15.       Seymour, R.S.   1976.   Dinosaurs, endothermy, and blood pressure.   Nature 262:  207-208.

    16.       Seymour, R.S.   1976.   Blood respiratory properties in a sea snake and a land snake.   Aust. J. Zool.  24:  313-320.

    17.       Seymour, R.S. and H.B. Lillywhite.   1976.   Blood pressure in snakes from different habitats.   Nature 264:  664-666.

    18.       Baldwin, J. and R.S. Seymour.   1977.   Adaptation to anoxia in snakes:  levels of glycolytic enzymes in skeletal muscle.   Aust. J. Zool. 25:  9-13.

    19.       Lillywhite, H.B. and R.S. Seymour.   1978.   Regulation of arterial blood pressure in Australian tiger snakes, Notechis scutatus.   J. Exp. Biol. 75:  65-79.

    20.       Seymour, R.S.   1978.   Gas tensions and blood distribution in sea snakes at surface pressure and at simulated depth.   Physiol. Zool. 51:  388-407.

    21.       Nagy, K.A., R.S. Seymour, A.K. Lee, and R. Braithwaite.   1978.   Energy and water budgets in free-living Antechinus stuartii(Marsupialia:  Dasyuridae).   J. Mammal. 59:  60-68.

    22.       Baudinette, R.V., R.S. Seymour, and J. Orbach.   1978.   Cardiovascular responses to exercise in the brush-tailed possum.   J. Comp. Physiol. 124:  143-147.

    23.       Heatwole, H. and R.S. Seymour.   1978.   Cutaneous oxygen uptake in three groups of aquatic snakes.   Aust. J. Zool. 26:  481-486.

    24.       Seymour, R.S.   1979.   Blood lactate in free-diving sea snakes.   Copeia 1979:  494-497.

    25.       Seymour, R.S.   1979.   Dinosaur eggs:  gas conductance through the shell, water loss during incubation and clutch size.  Paleobiol. 5:  1-11.

    26.       Heatwole, H., R.S. Seymour and M.E.D. Webster.   1979.   Heart rates of sea snakes diving in the sea.   Comp. Biochem. Physiol. 62A: 453-456.

    27.       Seymour, R.S. and R.A. Ackerman.   1980.   Adaptations to underground nesting in birds and reptiles.   Am. Zool. 20:  437-447.

    28.       Seymour, R.S.   1980.   Les oeufs de Dinosaures: relations entre la conduction des gaz à travers la coquille, la perte d’eau pendant l’incubation et la grandeur des pontes. (Dinosaur eggs:  the relationships between gas conductance through the shell, water loss during incubation and clutch size.)  Mém. Soc. Géol. Fr. N.S. 139:  177-184.

    29.       Seymour, R.S., G.P. Dobson and J. Baldwin.   1981.   Respiratory and cardiovascular physiology of the aquatic snake, Acrochordus arafurae.   J. Comp. Physiol. 144:  215-227.

    30.       Seymour, R.S., R.G. Spragg and M.T. Hartman.   1981.   Distribution of ventilation and perfusion in the sea snake, Pelamis platurus.   J. Comp. Physiol. 145:  109-115.

    31.       Baudinette, R.V., A.L. Tonkin, J. Orbach, R.S. Seymour and J.F. Wheldrake.   1982.   Cardiovascular function during treadmill exercise in the turkey.   Comp. Biochem. Physiol. 72A:  327-332.

    32.       Board, R.G., H.R. Perrott, G. Love and R.S. Seymour.   1982.   A novel pore system in the eggshells of the Mallee Fowl, Leipoa ocellata.   J. Exp. Zool. 220:  131-134.

    33.       Seymour, R.S., G.A. Bartholomew and M.C. Barnhart.   1983.   Respiration and heat production by the inflorescence of Philodendron selloum Koch.   Planta 157:  336-343.

    34.       Seymour, R.S.   1983.   Functional venous admixture in the lungs of the turtle, Chrysemys scripta.   Respir. Physiol. 53:  99-107.

    35.       Williams, D.L.G., R.S. Seymour and P. Kerourio.   1984.   Structure of fossil dinosaur eggshell from the Aix Basin, France.  Paleogeogr. Paleoclimatol. Paleoecol. 45:  23-37.

    36.       Booth, D.T. and R.S. Seymour.   1984.   Effect of adding water to Malleefowl mounds during a drought.   Emu 84:  116-118.

    37.       Seymour, R.S., M.C. Barnhart and G.A. Bartholomew.   1984.   Respiratory gas exchange during thermogenesis in Philodendron selloum Koch.   Planta 161:  229-232.

    38.       Vleck, D., C.M. Vleck and R.S. Seymour.   1984.   Energetics of embryonic development in the megapode birds, Mallee Fowl and Brush Turkey.   Physiol. Zool. 57:  444-456.

    39.       Seymour, R.S., A.F. Bennett and D.F. Bradford.   1985.   Blood gas tensions and acid-base regulation in the salt-water crocodile, Crocodylus porosus, at rest and after exhaustive exercise.   J. Exp. Biol. 118:  143-159.

    40.       Bennett, A.F., R.S. Seymour, D.F. Bradford and G.J.W. Webb.   1985.   Mass-dependence of anaerobic metabolism and acid-base disturbance during activity in the salt-water crocodile, Crocodylus porosus.   J. Exp. Biol. 118:  161-171.

    41.       Bradford, D.F. and R.S. Seymour.   1985.   Energy conservation during the delayed-hatching period in the frog Pseudophryne bibroni.   Physiol. Zool. 58:  491-496.

    42.       Seymour, R.S.   1985.   Physiology of megapode eggs and incubation mounds.   Acta. 18th Int. Ornithol. Congr. Moscow.   Vol. II.   pp. 854-863.

    43.       Seymour, R.S., D. Vleck and C.M. Vleck.   1986.   Gas exchange in the incubation mounds of megapode birds.   J. Comp. Physiol. B. 156:  773-782.

    44.       Seymour, R.S.   1987.   Scaling of cardiovascular physiology in snakes.   Am. Zool. 27:  97-109.

    45.       Seymour, R.S., D. Vleck, C.M. Vleck and D.T. Booth.   1987.   Water relations of buried eggs of mound building birds.   J. Comp. Physiol. B. 157:  413-422.

    46.       Seymour, R.S. and D.F. Bradford.   1987.   Gas exchange through the jelly capsule of the terrestrial eggs of the frog, Pseudophryne bibroni.   J. Comp. Physiol. B. 157:  477-481.

    47.       Booth, D.T. and R.S. Seymour.   1987.   Effect of eggshell thinning on water vapor conductance of malleefowl eggs.   Condor 89:  453-459.

    48.       Seymour, R.S. and K. Johansen.   1987.   Blood flow uphill and downhill:  does a siphon facilitate circulation above the heart?   Comp. Biochem. Physiol. 88A:  167-170.

    49.       Seymour, R.S. and J. Piiper.   1988.   Aeration of the shell membranes of avian eggs.   Respir. Physiol. 71:  101-116.

    50.       Bradford, D.F. and R.S. Seymour.   1988.  Influence of water potential on growth and survival of the embryo, and gas conductance of the egg, in a terrestrial breeding frog, Pseudophryne bibroni.   Physiol. Zool. 61:  470-474.

    51.       Bradford, D.F. and R.S. Seymour.   1988.   Influence of environmental Po2 on embryonic oxygen consumption, rate of development, and hatching in the frog Pseudophryne bibroni.   Physiol. Zool. 61:  475-482.

    52.       Seymour, R.S. and A.H.J. Visschedijk.  1988.  Effects of variation in total and regional shell conductance on air cell gas tensions and regional gas exchange in chicken eggs.  J. Comp. Physiol. B 158:  229-236.

    53.       Whitehead, P.J., J.T. Puckridge, C.M. Leigh and R.S. Seymour.   1989.   Effect of temperature on jump performance of the frog Limnodynastes tasmaniensis.   Physiol. Zool. 62:  937-949.

    54.       Geiser, F. and R.S. Seymour.   1989.   Influence of temperature and water potential on survival of hatched, terrestrial larvae of the frog Pseudophryne bibronii.   Copeia 1989:  207-209.

    55.       Roberts, J.D. and R.S. Seymour.   1989.   Non-foamy egg masses in Limnodynastes tasmaniensis (Anura:  Myobatrachidae) from South Australia.   Copeia 1989:  488-492.

    56.       Geiser, F. and R.S. Seymour.   1989.   Torpor in a pregnant echidna, Tachyglossus aculeatus (Monotremata:  Tachyglossidae).   Australian Mammalogy 12:  81-82.

    57.       Weathers, W.W., D.L. Weathers and R.S. Seymour.   1990.   Polygyny and reproductive effort in the malleefowl Leipoa ocellata.   Emu 90:  1-6.

    58.       Whitehead, P.J. and R.S. Seymour.   1990.   Patterns of metabolic rate in embryonic crocodilians Crocodylus johnstoni and Crocodylus porosus.   Physiol. Zool. 63:  334-352.

    59.       Whitehead, P.J., G.J.W. Webb and R.S. Seymour.   1990.   Effect of incubation temperature on development of Crocodylus johnstoni embryos.   Physiol. Zool. 63:  949-964.

    60.       Seymour, R.S., F. Geiser and D.F. Bradford.   1991.   Gas conductance of the jelly capsule of terrestrial frog eggs correlates with embryonic stage, not metabolic demand or ambient Po2.   Physiol. Zool. 64:  673-687.

    61.       Seymour, R.S., F. Geiser and D.F. Bradford.   1991.   Metabolic cost of development in terrestrial frog eggs (Pseudophryne bibronii).   Physiol. Zool. 64:  688-696.

    62.       Seymour, R.S. and J.D. Roberts.   1991.   Embryonic respiration and oxygen distribution in foamy and non-foamy egg masses of the frog Limnodynastes tasmaniensis.   Physiol. Zool. 64:  1322-1340.

    63.       Seymour, R.S.   1991.   Analysis of heat production in a thermogenic arum lily, Philodendron selloum, by three calorimetric methods.   Thermochim. Acta 193:  91-97.

    64.       Geiser, F., B.T. Firth and R.S. Seymour.  1992.  Polyunsaturated dietary lipids lower the selected body temperature of a lizard.  J. Comp. Physiol. B. 162:  1-4.

    65.       Seymour, R.S. and D.F. Bradford.  1992.  Temperature regulation in the incubation mounds of the Australian Brush-turkey.   Condor. 94:  134-150.

    66.       Weathers, W.W., R.S. Seymour and R.V. Baudinette.  1993.  Energetics of mound-tending behaviour in the Malleefowl, Leipoa ocellata (Megapodiidae).   Animal Behaviour. 45:  333-341.

    67.       Seymour, R.S., A.R. Hargens and T.J. Pedley.  1993.   Invited Review:  The heart works against gravity.  Amer. J. Physiol. 265 (Regulatory Integrative Comp. Physiol. 34):  R715-R720.

    68.       Seymour, R.S.  1994.  Oxygen diffusion through the jelly capsules of amphibian eggs.  Israel J. Zool.  40:  493-506.

    69.       Seymour, R.S. and J.P. Loveridge.  1994.  Embryonic and larval respiration in the arboreal foam nests of the African frog Chiromantis xerampelina.  J. Exp. Biol. 197:  31-46.

    70.       Seymour, R.S. and D.F. Bradford. 1995.  Invited Perspectives in Physiological Zoology:  Respiration of amphibian eggs.  Physiol. Zool. 68:  1-25.

    71.       Seymour, R.S. and J.D. Roberts.  1995.  Oxygen uptake by the aquatic eggs of the Australian frog Crinia georgiana.  Physiol. Zool. 68:  206-222.

    72.       Seymour, R.S.  1995.  Calorimetric investigations on mound-building birds.  Thermochim. Acta 250:  319-328.

    73.       Seymour, R.S.  1995.  Oxygen uptake by embryos in gelatinous egg masses of Rana sylvatica: the roles of diffusion and convection.  Copeia 1995:  626-635.

    74.       Seymour, R.S., M.J. Mahony, and R. Knowles.  1995.  Respiration of embryos and larvae of the terrestrially breeding frog, Kyarranus loveridgei.  Herpetologica 51:  369-376.

    75.       Baldwin, J., R.S. Seymour and G.J.W. Webb.  1995.  Scaling of anaerobic metabolism during exercise in the estuarine crocodile (Crocodylus porosus). Comp. Biochem. Physiol. 112A: 285-293.

    76.       Seymour, R.S. and M.K. Seely.  1996.  The respiratory environment of the Namib Desert Golden Mole.  J. Arid Environ. 32: 453-461.

    77.       Seymour, R.S. and P. Schultze-Motel.  1996.  Thermoregulating lotus flowers.  Nature 383: 305.

    78.       Pedley, T.J., B.S. Brook and R.S. Seymour.  1996.  Blood pressure and flow rate in the giraffe jugular vein.  Phil. Trans. R. Soc. Lond. B 351: 855-866.

    79.       Weathers, W.W., D.C. Paton, and R.S. Seymour.  1996.  Field metabolic rate and water flux of nectarivorous honeyeaters.  Aust. J. Zool. 44: 445-460.

    80.       Seymour, R.S., R. Kennett, and K. Christian.  1997.   Osmotic balance in the eggs of the turtle Chelodina rugosa during developmental arrest under water. Physiol. Zool. 70:301-306.

    81.       Seymour, R.S.  1997.  Book review:  The Megapodes:Megapodiidae. by D.N. Jones, R.W.R.J. Dekker, and C.S. Roselaar.  Quart. Rev. Biol. 72: 87.

    82.       Wells, R.M.G., J. Baldwin, R.S. Seymour and R.E. Weber.  1997.  Blood oxygen transport and hemoglobin function in three tropical fish species from northern Australian freshwater billabongs.  Fish Physiol. Biochem. 16: 247-258.

    83.       Seymour, R.S. and P. Schultze-Motel.  1997.  Heat-producing flowers.  Endeavour 21: 125-129.

    84.       Wells, R.M.G., J. Baldwin and R.S. Seymour.  1997.  Low concentrations of methaemoglobin in marine fishes of the Great Barrier Reef, Australia.  Mar. Freshwater Res. 48: 303-309.

    85.       Seymour, R.S., P.C. Withers and W.W. Weathers.  1998.  Energetics of burrowing, running and free-living in the Namib Desert golden mole (Eremitalpa namibensis).  J. Zool. Lond. 244:107-117.

    86.       Lamprecht, I., R.S. Seymour and P. Schultze-Motel. 1998.  Direct and indirect calorimetry of thermogenic flowers of the sacred lotus, Nelumbo nucifera.  Thermochim. Acta 309: 5-16.

    87.       Seymour, R.S. and P. Schultze-Motel.  1998.  Physiological temperature regulation by flowers of the sacred lotus. Phil. Trans. R. Soc. Lond. B  353: 935-943.

    88.       Weathers, W.W. and R.S. Seymour.  1998.  Behaviour and time-activity budgets of malleefowl Leipoa ocellata in South Australia.  Emu 98: 288-296.

    89.       Seymour, R.S.  1998.  Book review:  Avian Growth and Development. by J.M. Starck and R.E. Ricklefs.  Am. Zool. 38:989.

    90.       Seymour, R.S., P. Schultze-Motel and I. Lamprecht.  1998.  Heat production by sacred lotus flowers depends on ambient temperature, not light cycle.  J. Exp. Bot. 324: 1213-1217.

    91.       Seymour, R.S.  1999. Respiration of aquatic and terrestrial amphibian embryos.  Amer. Zool. 39: 261-270.

    92.       Seymour, R.S.  1999.  Pattern of respiration in intact inflorescences of the thermogenic arum lily Philodendron selloum.  J. Exp. Bot. 50: 845-852.

    93.       Seymour, R.S. and A.J. Blaylock.  1999.  Switching off the heater: influence of ambient temperature on thermoregulation by eastern skunk cabbage Symplocarpus foetidus. J. Exp. Bot. 50:1525-1532.

    94.       Seymour, R.S. and P. Schultze-Motel.  1999.  Respiration, temperature regulation and energetics of thermogenic inflorescences of the dragon lily Dracunculus vulgaris (Araceae). Proceedings B, Royal Society (London) 266:1975-1983.

    95.       Blaylock, A.J. and R.S. Seymour.  2000.  Diaphragmatic nets prevent water invasion of gas canals in Nelumbo nucifera.  Aquat. Bot. 67:53-59.

    96.       Seymour, R.S. and A.J. Blaylock.  2000.  Stigma peroxidase activity in association with thermogenesis in Nelumbo nucifera.  Aquat. Bot. 67:155-159.

    97.       Seymour, R.S.  2000.  Model analogues in the study of cephalic circulation.  Comp. Biochem. Physiol. 125:517-524.

    98.       Cronin, E.R. and R.S. Seymour.  2000.  Respiration of the eggs of the giant cuttlefish Sepia apama.  Mar. Biol. 136:863-870.

    99.       Seymour, R.S. and A.J. Blaylock. 2000.  Invited perspective: The principle of Laplace and scaling of ventricular wall stress and blood pressure in mammals and birds.  Physiol. Biochem. Zool. 73:389-405.

    100.     Seymour, R.S., J.D. Roberts, N.J. Mitchell and A.J. Blaylock.  2000:  Influence of environmental oxygen on development and hatching of aquatic eggs of the Australian frog, Crinia georgiana.  Physiol. Biochem. Zool. 73:501-507.

    101.     Seymour, R.S. and H.B. Lillywhite.  2000.  Hearts, neck posture, and metabolic intensity in sauropod dinosaurs.  Proc. Roy. Soc. B 267:1883-1887.

    102.     Mitchell, N.J and R.S. Seymour.  2000.   Effects of temperature on energy cost and timing of embryonic and larval development of the terrestrially breeding moss frog, Bryobatrachus nimbus. Physiol. Biochem. Zool. 73:829-840.

    103.     Withers, P.C. G.G. Thompson and R.S. Seymour.  2000.  Metabolic physiology of the north-western marsupial mole, Notoryctes caurinus (Marsupialia: Notoryctidae).  Aust. J. Zool. 48: 241-258.

    104.     Seymour, R.S.  2001.  Biophysics and physiology of temperature regulation in thermogenic flowers.  Biosci. Reports 21: 223-236.

    105.     Wagner, K. and R.S. Seymour.  2001.  Nesting climate and behaviour of Cape Barren Geese (Cereopsis novaehollandiaeLatham). Aust. J. Zool. 49: 155-170.

    106.     Seymour, R.S.  2001.  Diffusion pathway for oxygen into highly thermogenic florets of the arum lily Philodendron selloum.  J. Exp. Bot. 52: 1465-1472.

    107.     Wagner-Amos, K. and R.S. Seymour. 2002.  Effect of regional changes to shell conductance on oxygen consumption and growth of chicken embryos.  Respir. Physiol.  129: 385-395.

    108.     Pearson, J.T., R.S. Seymour, R.V. Baudinette and S. Runciman. 2002.  Respiration and energetics of embryonic development in a large altricial bird, the Australian pelican (Pelecanus conspicillatus).  J. Exp. Biol. 205: 2925-2933.

    109.     Wells, R.M.G., J. Baldwin, R.S. Seymour, R.V. Baudinette, K. Christian and M.B. Bennett. 2003.  Oxygen transport capacity in the air-breathing fish, Megalops cyprinoides: compensations for strenuous exercise.  Comp. Biochem. Physiol. 134A: 45-53.

    110.     Mitchell, N.J and R.S. Seymour.  2003.   The effects of nest temperature nest substrate, and clutch size on the oxygenation of embryos and larvae of the Australian moss frog, Bryobatrachus nimbus. Physiol. Biochem. Zool. 76: 60-71.

    111.     Ito, K., Y. Abe, S.D. Johnston and R.S. Seymour.  2003.  Ubiquitous expression of a gene encoding for uncoupling protein isolated from the thermogenic inflorescence of the dead horse arum Helicodiceros muscivorus.  J. Exp. Bot. 54: 1113-1114.

    112.     White, C.R. and R.S. Seymour.  2003. Mammalian basal metabolic rate is proportional to body mass2/3.  Proc. Natl Acad. Sci. 100: 4046-4049.

    113.     Wagner-Amos, K. and R.S. Seymour.  2003.  Effect of local shell conductance on vascularisation of the chicken chorioallantoic membrane.  Respir. Physiol. Neurobiol. 134: 155-167.

    114.     Seymour, R.S., C.R. White and M. Gibernau.  2003.  Heat reward for insect pollinators.  Nature  426: 243-244.

    115.     Seymour, R.S., M. Gibernau and K. Ito.  2003.  Thermogenesis and respiration of inflorescences of the dead horse arum Helicodiceros muscivorus, a pseudo-thermoregulatory aroid associated with fly pollination.  Funct. Ecol.  17: 886-894.

    116.     Seymour, R.S. and J.O. Arndt.  2004.  Independent effects of heart-head distance and caudal blood pooling on blood pressure regulation in aquatic and terrestrial snakes.  J. Exp. Biol. 207: 1305-1311.

    117.     Seymour, R.S., K. Christian, M.B. Bennett, J. Baldwin, R.M.G. Wells and R.V. Baudinette.  2004.  Partitioning of respiration between the gills and air-breathing organ in response to aquatic hypoxia and exercise in the Pacific tarpon, Megalops cyprinoides.  Physiol. Biochem. Zool. 77: 760-767.

    118.     Seymour, R.S., S. Runciman, R.V. Baudinette and J.T. Pearson. 2004. Developmental allometry of pulmonary structure and function in the altricial Australian pelican, Pelecanus conspicillatus.  J. Exp. Biol. 207: 2663-2669.

    119.     Seymour, R.S.  2004.  Dynamics and precision of thermoregulatory responses of eastern skunk cabbage Symplocarpus foetidus.  Plant Cell Environ. 27: 1014-1022.

    120.     White, C.R. and R.S. Seymour.  2004.  Does BMR contain a useful signal?  Mammalian BMR allometry and correlations with a selection of physiological, ecological and life-history variables.  Physiol. Biochem. Zool. 77: 929-941.

    121.     Seymour, R.S., C.L. Bennett-Stamper, S.D.Johnston, D.R. Carrier, and G.C. Grigg.  2004.  Evidence for endothermic ancestors of crocodiles at the stem of archosaur evolution.  Physiol. Biochem. Zool. 77: 1051-1067.

    122.     Seymour, R.S.  2004.  Reply to Hillenius and Ruben.  Physiol. Biochem. Zool. 77: 1073-1075.

    123.     Seymour, R.S., I. Terry and R.B. Roemer2004Respiration and thermogenesis by cones of the Australian cycad, Macrozamia machinii.  Funct. Ecol.  18: 925-930.

    124.     White, C.R. and R.S. Seymour. 2005.  Allometric scaling of mammalian metabolism.  J. Exp. Biol. 208: 1611-1619.

    125.     Wells, R.M.G., J. Baldwin, R.S. Seymour, K. Christian, T. Brittain.  2005.  Red blood cell function and haematology in two tropical freshwater fishes from Australia.  Comp. Biochem. Physiol. A 141: 87-93.

    126.     Ito, K. and R.S. Seymour.  2005.  Expression of uncoupling protein and alternative oxidase depends on lipid or carbohydrate substrates in thermogenic plants.  Biology Letters 1: 427-430.

    127.     Runciman, S., R.S. Seymour, R.V. Baudinette and J.T. Pearson.  2005.  An allometric study of lung morphology during development in the Australian pelican, Pelicanus conspicillatus, from embryo to adult. J.  Anat. 207: 365-380.

    128.     White, C.R. and R.S. Seymour. 2005.  Sample size and mass range effects on the allometric exponent of basal metabolic rate.  Comp. Biochem. Physiol. 142: 74-78.

    129.     Geiser, F. and R.S. Seymour. 2005.  Obituary – Russell Victor Baudinette 1945-2004.  Comp. Biochem. Physiol. 141: 1-2.  (Geiser F and Seymour RS, 2005. Russell Victor Baudinette 1945 - 2004 (an obituary). Australian Mammalogy 27: 111-117.)

    130.     White, C.R., N. Phillips and R.S. Seymour. 2006.  The scaling and temperature dependence of vertebrate metabolism.  Biology Letters 2: 125-127.

    131.     Matthews, P.G.D. and R.S. Seymour.  2006.  Diving insects boost their buoyancy bubbles. Nature 441: 171.

    132.     Watling, J.R., S.A. Robinson and R.S. Seymour. 2006.  Contribution of the alternative pathway to respiration during thermogenesis in flowers of the sacred lotus, Nelumbo nucifera.  Plant Physiol. 140: 1-7.

    133.     White, C.R., P.G.D. Matthews, and R.S. Seymour.  2006. Balancing the competing requirements of saltatorial and fossorial specialisation: burrowing costs in the spinifex hopping mouse, Notomys alexis. J. Exp. Biol. 209: 2103-2113.

    134.     Clark, T.D. and R.S. Seymour.  2006.  Cardiorespiratory physiology and swimming energetics of a high-energy-demand teleost, the yellowtail kingfish (Seriola lalandi).  J. Exp. Biol. 209: 3940-3951.

    135.     Matthews, P.G.D. and R.S. Seymour.  2006.  Anatomy of the gas canal system of Nelumbo nucifera.  Aquatic Bot.  85: 147-154.

    136.     Seymour, R.S. and P.G.D. Matthews. 2006.  The role of thermogenesis in the pollination biology of the Amazon waterlily Victoria amazonica.  Annals of Botany. 98: 1129-1135.

    137.     Seymour, R.S. and Wagner-Amos, K.  2008.  Non-invasive measurement of oxygen partial pressure, lateral diffusion and chorioallantoic blood flow under the avian eggshell. Comp. Biochem. Physiol. A. 150: 258-264.

    138.     Seymour, R.S., S. Runciman and R.V. Baudinette.  2008.  Development of maximum metabolic rate and pulmonary diffusing capacity in the super-precocial Australian Brush Turkey Alectura lathami: an allometric and morphometric study.  Comp. Biochem. Physiol. A. 150: 169-175.

    139.     White, C.R., P.G.D. Matthews, and R.S. Seymour.  2008. In situ measurement of calling metabolic rate in an Australian mole cricket, Gryllotalpa monanka.  Comp. Biochem. Physiol. A. 150: 217-221.

    140.     Fitzgibbon, Q.P., R.V. Baudinette, R. J. Musgrove and R.S. Seymour. 2008.  Routine metabolic rate of southern bluefin tuna (Thunnus maccoyii).  Comp. Biochem. Physiol. A. 150: 231-238.

    141.     Farrell, A.P., D.L. Simonot, R.S. Seymour and T.D. Clark.  2007. A novel technique for estimating the compact myocardium in fish reveals surprising results for an athletic air-breathing fish, the Pacific tarpon.  J. Fish Biol.  71: 389-398.

    142.     Wells, R.M.G., J. Baldwin, R.S. Seymour, K. Christian and A.P. Farrell.  2007.  Air breathing minimizes post-exercise lactate load in the tropical Pacific tarpon, Megalops cyprinoides Broussonet 1782 but oxygen debt is repaid by aquatic breathing.  J. Fish Biol. 71:  1649-1661.

    143.     Fitzgibbon. Q.P., R.S. Seymour, D. Ellis and J. Buchanan.  2007.  The energetic consequence of specific dynamic action in southern bluefin tuna Thunnus maccoyii.  J. Exp. Biol.  210: 290-298.

    144.     Fitzgibbon. Q.P., A. Strawbridge and R.S. Seymour.  2007.  Metabolic scope, swimming performance and the effects of hypoxia in the Mulloway, Argyrosomus japonicus (Pisces: Sciaenidea).  Aquaculture 270: 358-368.

    145.     Rodda, K.R. and R.S. Seymour.  2008.  Functional morphology of embryonic development in the Port Jackson shark Heterodontus portusjacksoni (Meyer) J. Fish Biol. 72: 961-984.

    146.     Seymour, R.S., A. P. Farrell, K. Christian, T.D. Clark, M.B. Bennett, R.M.G. Wells and J. Baldwin.  2007.  Continuous measurement of oxygen tensions in the air-breathing organ of Pacific tarpon (Megalops cyprinoides) in relation to aquatic hypoxia and exercise.  J. Comp. Physiol. 177: 579-587.

    147.     Alton, L.A., C. R. White and R.S. Seymour.  2007.  Effect of aerial O2 partial pressure on bimodal gas exchange and air-breathing behaviour in Trichogaster leeri. J. Exp. Biol. 210: 2311-2319.

    148.     Clark, T.D., R.S. Seymour, K. Christian, R.M.G. Wells, J. Baldwin and A.P. Farrell.  2007.  Changes in cardiac output during swimming and aquatic hypoxia in the air-breathing Pacific tarpon.  Comp. Biochem. Physiol. 148: 562-571.

    149.     Seymour, R.S. and M. Gibernau.  2008.  Respiration of thermogenic inflorescences of Philodendron melinonii: natural pattern and responses to experimental temperatures.  J. Exp. Bot.  59: 1353-1362.

    150.     Seymour, R.S., N.C. Wegner and J.B. Graham.  2008.   Body size and the air-breathing organ of the Atlantic tarpon Megalops atlanticus.  Comp. Biochem. Physiol. A 150: 282-287.

    151.     Clark, T.D., R.S. Seymour, R.M.G. Wells and P. D. Frappell.  2008. Thermal effects on the blood respiratory properties of southern bluefin tuna, Thunnus maccoyii (Castelnau, 1872).  Comp. Biochem. Physiol. 150: 239-246.

    152.     Clark, T.D., B.D. Taylor, R.S. Seymour, D. Ellis, J. Buchanan, Q.P. Fitzgibbon and P.B. Frappell.  2008.  Moving with the beat: heart rate and visceral temperature of free-swimming and feeding bluefin tuna.  Proc. Roy. Soc. B  275: 2841-2850.

    153.     Matthews, P.G.D. and R.S. Seymour. 2008.  Haemoglobin as a buoyancy regulator and oxygen supply in the backswimmer (Notonectidae, Anisops). J. Exp. Biol. 211: 3790-3799. doi:10.1242/jeb.018721

    154.     Seymour, R.S., Y. Ito, Y. Onda and K. Ito.  2009. Effects of floral thermogenesis on pollen function in Asian skunk cabbage Symplocarpus renifolius.  Biology Letters 5: 568-570.  doi: 10.1098/rsbl.2009.0064.

    155.     Lamprecht, I., R.S. Seymour, C.R. White, P.D.G. Matthews and L. Wadsö. 2009.  Discontinuous ventilation in the rhinoceros beetle Oryctes nasicornis.  Journal of Thermal Analysis and Calorimetry 95: 743-747.

    156.      Seymour, R.S. 2009. Raising the sauropod neck: it cost more to get less.  Biology Letters 5: 317-319. doi: 10.1098/rsbl.2009.0096

    157.     Seymour, R.S.  2009.  Sauropods kept their head down.  Science. 323: 1671.

    158.     Seymour, R.S., E. Maass and J.F. Bolin. 2009. Floral thermogenesis of three species of Hydnora (Hydnoraceae) in Africa.  Annals of Botany 104: 823-32.

    159.     Seymour, R.S., M. Gibernau and S. Arg. Pirintsos.  2009.  Thermogenesis of three species of Arum from Crete. Plant, Cell and Environment 32: 1467–1476.

    160.     White, C.R., T.M. Blackburn and R.S. Seymour.  2009.  Phylogenetically informed analysis of the allometry of mammalian basal metabolic rate support neither geometric nor quarter-power scaling.  Evolution. 63: 2658-2667. doi:10.1111/j.1558-5646.2009.00747.x

    161.     Seymour, R.S., C.R. White and M. Gibernau. 2009.  Endothermy of dynastine scarab beetles (Cyclocephala colasi) associated with pollination biology of a thermogenic arum lily (Philodendron solimoesence).  J. Exp. Biol. 212: 2960-2968.

    162.     Fitzgibbon, Q.P. and R.S. Seymour.  2009.  Postprandial metabolic increment of southern bluefin tuna Thunnus maccoyiiingesting high or low-lipid sardines Sardinops sagax.  Journal of Fish Biology 75: 1586-1600.

    163.     Kakizaki, Y., R.S. Seymour and K. Ito.  2010.  A novel functional element in the N-terminal region of Arum concinnatumalternative oxidase is indispensable for catalytic activity of the enzyme in HeLa cells.  Biochimica et Biophysica Acta-Bioenergetics 1797: 20-28.

    164.     Matthews, P.D.G. and R.S. Seymour. 2010.  Compressible gas gills of diving insects: measurements and models.  Journal of Insect Physiology 56:470-479.

    165.     Seymour, R.S., G. Lindshau and K. Ito.  2010.  Thermal clamping of temperature-regulating flowers reveals the precision and limits of the biochemical regulatory mechanism. Planta 231: 1291–1300.

    166.     Mueller, C.A., J.M.P. Joss and R.S. Seymour. 2011.  The energy cost of embryonic development in fishes and amphibians, with emphasis on new data from the Australian lungfish, Neoceratodus forsteri.  Journal of Comparative Physiology B 181: 43-52.

    167.     Seymour, R.S. 2010. Scaling of heat production by thermogenic flowers: limits to floral size and maximum rate of respiration.  Plant, Cell & Environment 33: 1474-1485.

    168.     Seymour, R.S., I. Silberbauer-Gottsberger and G. Gottsberger.  2010.  Respiration and temperature patterns in thermogenic flowers of Magnolia ovata under natural conditions in Brazil.  Functional Plant Biology 37: 870-878.

    169.     Lamprecht, I. and R.S. Seymour.  2010.  Thermologic investigations of three species of Amorphophallus.  Journal of Thermal Analysis and Calorimetry 102: 127–136. DOI 10.1007/s10973-010-0891-9

    170.     Fitzgibbon, Q.P., R.S. Seymour, J. Buchannan, R. Musgrove and J. Carragher.  2010. Effects of hypoxia on oxygen consumption, swimming velocity and gut evacuation in southern bluefin tuna (Thunnus maccoyii).  Environmental Biology of Fishes. 89: 59-69.

    171.     Seymour, R.S. and C.R. White.  2011.  Can the basal metabolic rate of endotherms be explained by biophysical modelling? Physiological and Biochemical Zoology. 84:107–110.

    172.     Lillywhite, H.B. and Seymour, R.S.  2011.  Heart position in snakes: Response to “Phylogeny, ecology and heart position in snakes”.  Physiological and Biochemical Zoology. 84:99–101.

    173.     Payne, N.L., B.M. Gillanders, R.S Seymour, D.M. Webber, E.P. Snelling and J.M. Semmens. 2011. Accelerometry estimates field metabolic rate in giant Australian cuttlefish Sepia apama during breeding.  Journal of Animal Ecology 80: 422-430. DOI 10.1111/j.1365-2656.2010.01758.x.

    174.     Mueller, C.A. and R.S. Seymour.  2011.  The importance of perivitelline fluid convection to oxygen uptake of Pseudophryne bibronii eggs.  Physiological and Biochemical Zoology. 84: 299-305. DOI 10.1086/659650.

    175.     Mueller, C.A., J.M.P. Joss and R.S. Seymour.  2011.  Effects of environmental oxygen on development and respiration of Australian lungfish (Neoceratodus forsteri) embryos.  Journal of Comparative Physiology B 181: 941-952. DOI 10.1007/s00360-011-0573-3.

    176.     Seymour, R.S. and S.K. Hetz. 2011.  The diving bell and the spider: The physical gill of Argyroneta aquatica. Journal of Experimental Biology 214: 2175-2181. DOI10.1242/jeb.056093.

    177.     Snelling, E.P., R.S. Seymour and S. Runciman.  2011.  Moulting of insect tracheae captured by light and electron-microscopy in the metathoracic femur of a third instar locust Locusta migratoria.  Journal of Insect Physiology 57: 1312–1316. clearDOI 10.1016/j.jinsphys.2011.06.006

    178.     Seymour, R.S., S.L. Smith, C.R. White, D.M. Henderson and D. Schwarz-Wings.  2012.  Blood flow to long bones indicates activity metabolism in mammals, reptiles and dinosaurs. Proceedings of the Royal Society B. 279: 451–456. DOI 10.1098/rspb.2011.0968

    179.     Heenan, C.B. and R. S. Seymour.  2011.  Structural support, not insulation, is the primary driver for avian cup-shaped nest design.  Proc. R. Soc. B 278: 2924-2929. DOI: 10.1098/rspb.2010.2798

    180.     Snelling, E.P., R.S. Seymour, P.G.D. Matthews, S. Runciman and C.R.White.  2011. Scaling of resting and maximum hopping metabolic rate throughout the life cycle of the locust Locusta migratoria.  Journal of Experimental Biology 214: 3218-3224. DOI: 10.1242/jeb.058420

    181.     Snelling, E.P., R.S. Seymour, S. Runciman, P.G.D. Matthews and C.R.White.  2011. Symmorphosis and the insect respiratory system: allometric variation.  Journal of Experimental Biology 214: 3225-3237. DOI: 10.1242/jeb.058438

    182.     Mueller, C.A. and R.S. Seymour.  2011.  The Regulation Index: A new method for assessing the relationship between oxygen consumption and environmental oxygen.  Physiological and Biochemical Zoology 84: 522-532. DOI: 10.1086/661953

    183.     Matthews, P.G.D., and R.S. Seymour. 2011. Oxygen binding properties of backswimmer (Notonectidae, Anisops) haemoglobin, determined in vivo. Journal of Insect Physiology 57: 1698-1706 DOI: 10.1016/j.jinsphys.2011.09.006

    184.     Lillywhite, H.B., J.S. Albert, C.M. Sheehy III and R.S. Seymour. 2012.  Gravity and the evolution of cardiopulmonary morphology in snakes.  Comparative Biochemistry and Physiology A  161: 230-242.

    185.     Gottsberger, G., I. Silberbauer-Gottsberger, R.S. Seymour and S. Dötterl.  2012.  Pollination ecology of Magnolia ovata may explain the overall large flower size of the genus.  Flora 207: 107-118.  doi: 10.1016/j.flora.2011.11.003

    186.     Heenan, C.B. and R.S. Seymour.  2012. The effect of wind on the rate of heat loss from avian cup-shaped nests. PLoS ONE 7(2): e32252. doi:10.1371/journal.pone.0032252

    187.     Gienger, C.M., C.R. Tracy, M.L. Brien, S.C. Manolis, G.J.W. Webb, R.S. Seymour and K.A. Christian.  2011.  Energetic costs of digestion in Australian crocodiles. Australian Journal of Zoology 59: 416-421. DOI:10.1071/ZO12018

    188.     Mueller, C.A. and R.S. Seymour.  2012.  Analysis of cutaneous and internal gill gas exchange morphology in early larval amphibians, Pseudophryne bibronii and Crinia georgiana. Journal of Comparative Physiology B 182: 813-820. DOI: 10.1007/s00360-012-0667-6.

    189.     Mueller, C.A., S. Augustine, S.A.L.M. Kooijman, M.R. Kearney, and R.S. Seymour. 2012. The trade-off between maturation and growth during accelerated development in frogs. Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology 163: 95-102.

    190.     Lamprecht, I., L. Wadsö and R.S. Seymour. 2013. Calorimetric investigations of the pollination biology of the thermogenicinflorescences of the dragon lily (Dracunculus vulgaris) and its pollinator (Protaetia cretica) on Crete. Thermochimica Acta 551: 84-91.

    191.     Matthews, P.G.D., E.P. Snelling, R.S. Seymour, and C.R. White. 2012. A test of the oxidative damage hypothesis for discontinuous gas exchange in the locust Locusta migratoria. Biology Letters 8: 682-684.

    192.     Snelling, E.P., P.G.D. Matthews and R.S. Seymour. 2012. Allometric scaling of discontinuous gas exchange patterns in the locust Locusta migratoria throughout ontogeny. Journal of Experimental Biology 215: 3388-3393.

    193.     Snelling, E.P., R.S. Seymour, P.G.D. Matthews and C.R. White. 2012. Maximum metabolic rate, relative lift, wingbeat frequency and stroke amplitude during tethered flight in the adult locust Locusta migratoria. Journal of Experimental Biology 215: 3317-3323.

    194.     Seymour, R.S. and P.G.D. Matthews. 2013.  Physical gills in diving insects and spiders: theory and experiment. Journal of Experimental Biology 216: 164-170.

    195.     Seymour, R.S., C.M. Gienger, M.L. Brien, C.R. Tracy, S.C. Manolis, G.J.W. Webb and K.A. Christian. 2013. Scaling of standard metabolic rate in estuarine crocodiles Crocodylus porosus.  Journal of Comparative Physiology B 183: 491-500. DOI: 10.1007/s00360-012-0732-1.

    196.     Snelling, E.P., R.S. Seymour, S. Runciman, P.G.D. Matthews and C.R.White.  2012. Symmorphosis and the insect respiratory system: a comparison between flight and hopping muscle.  Journal of Experimental Biology 215: 3324-3333. DOI: 10.1242/jeb.072975.

    197.     Ito, K., H. Takahashi, Y. Umekawa, T. Imamura, S. Kawasaki, T. Ogata, Y. Kakizaki and R.S. Seymour. 2013. Metabolite profiling reveals tissue- and temperature-specific metabolomic responses in thermoregulatory male florets of Dracunculus vulgaris (Araceae). Metabolomics 9:919-930. DOI: 10.1007/s11306-013-0509-x

    198.     McCallum, K.P., F.O. McDougall and R.S. Seymour.  2013. A review of the energetics of pollination biology.  Journal of Comparative Physiology B  183: 867-876. DOI: 10.1007/s00360-013-0760-5

    199.     Snelling, E.P., Becker, C.L. and R.S. Seymour. 2013. The effects of temperature and body mass on jump performance of the locust Locusta migratoria.  PLoS ONE 8(8): e72471. DOI:10.1371/journal.pone.0072471

    200.     Seymour, R.S. 2013. Maximal aerobic and anaerobic power generation in large crocodiles versus mammals: Implications for dinosaur gigantothermy. PLoS ONE 8(7): e69361. DOI:10.1371/journal.pone.0069361

    201.     Matthews, P.G.D. and R.S. Seymour.  2014.  Stomata actively regulate internal aeration of the sacred lotus Nelumbo nucifera.  Plant, Cell and Environment 37:402-413  DOI: 10.1111/pce.12163.

    202.     White, C.R. and R.S. Seymour. 2014.  The role of gravity in the evolution of mammalian blood pressure.  Evolution 68:901-908. DOI:10.1111/evo.12298.

    203.     Gibernau, M. and R.S. Seymour. 2014. Pollination success of the Corsican Helicodiceros muscivorus (Araceae).  Aroideana 37: 61-71. doi: arod-37-00-07.3d.

    204.     Allan, G.H., P. Cassey, E.P. Snelling, S.K. Maloney and R.S. Seymour.  2014 Blood for bone remodelling correlates with locomotion in living and extinct birds.  Journal of Experimental Biology 217:2956-2962. doi: 10.1242/jeb.102889.

    205.     Xu, L., Snelling, E.P. and R.S. Seymour. 2014. Burrowing energetics of the Giant Burrowing Cockroach Macropanesthia rhinoceros: An allometric study.  Journal of Insect Physiology 70:81-87. doi: 10.1016/j.jinsphys.2014.09.005.

    206.     Snelling, E.P., D.A. Taggart, S.K. Maloney, A.P. Farrell and R.S. Seymour. 2015.  Biphasic allometry of cardiac growth in the developing kangaroo Macropus fuliginosus. Physiological and Biochemical Zoology 88: 216-225. doi: 10.1086/679718.

    207.     Onda, Y., K. Mochida, T. Yoshida, T. Sakurai, R.S. Seymour, Y. Umekawa, S.A. Pirintsos, K. Shinozaki and K. Ito.  2015.  Transcriptome analysis of thermogenic Arum concinnatum reveals the molecular components of floral scent production.  Scientific Reports 5: 8753. doi: 10.1038/srep08753.

    208.     Seymour, R.S., K. Ito, Y. Umekawa, P.G.D. Matthews and S. A. Pirintsos.  2015.  The oxygen supply to thermogenic flowers. Plant, Cell and Environment 38:827-837. DOI: 10.1111/pce.12454.

    209.     Snelling, E.P., D.A. Taggart, S. K. Maloney, A. P. Farrell, C. M. Leigh, L. Waterhouse, R. Williams and R.S. Seymour. 2015. Scaling of left ventricle cardiomyocyte ultrastructure across development in the kangaroo Macropus fuliginosus. Journal of Experimental Biology 218: 1767-1776. doi:10.1242/jeb.119453. 

    210.     Seymour, R.S., S.E. Angove, E.P. Snelling and P. Cassey. 2015.  Scaling of cerebral blood perfusion in primates and marsupials.  Journal of Experimental Biology 218: 2631-2640. Doi: 10.1242/jeb.124826. 

    211.     Seymour R.S., K.K. Jones and S.K. Hetz.  2015. Respiratory function of the plastron in the aquatic bug, Aphelocheirus aestivalis (Hemiptera, Aphelocheiridae).  Journal of Experimental Biology 218: 2840-2846. Doi: 10.1242/jeb.125328.

    212.     Jones, K.K., E.P. Snelling, A.P. Watson and R.S. Seymour. 2015. Gas exchange and dive characteristics of the free-swimming backswimmer Anisops deanei.  Journal of Experimental Biology 218 3478-3486 Doi: 10.1242/jeb.125047.

    213.     White, C.R. and R.S. Seymour. 2015. Blood pressure increases with body size in mammals. Evolution 69: 3221-3223 doi: 10.1111/evo.12799. 

    214.     Umekawa Y, R.S. Seymour and K. Ito. 2016. The biochemical basis for thermoregulation in heat-producing flowers. Sci Reports 6: 24830. doi: 10.1038/srep24830.

    215.     Seymour, R.S. and H.B. Lillywhite.  2016.  Why vascular siphons with sub-atmospheric pressures are physiologically impossible in sauropod dinosaurs.  Journal of Experimental Biology 219: 2078-2079.  doi: 10.1242/jeb.140988.

    216.     Seymour, R.S., V. Bosiocic and E.P. Snelling. 2016. Fossil skulls reveal that blood flow rate to the brain increased faster than brain volume during human evolution.  Roy. Soc. Open Sci. 3: 160305. doi: 10.1098/rsos.160305.

    217.     Snelling, E.P., R.S. Seymour, J.E.F. Green, L.C.R. Meyer, A. Fuller, A. Haw, D. Mitchell, A.P. Farrell, M-A. Costello, A. Izwan, M. Badenhorst and S. K. Maloney. 2016.  A structure-function analysis of the left ventricle. Journal of Applied Physiology 121: 900-909. doi: 10.1152/japplphysiol.00435.2016.

    218.     Seymour, R.S.  2016.  Cardiovascular physiology of dinosaurs.  Physiology 31: 430-441. doi: 10.1152/physiol.00016.2016.

    219.     Lillywhite, H.B., R. Shine, E. Jacobson, D. Denardo, M. Gordon, C.A. Navas, T. Wang, R.S. Seymour, K.B. Storey, H. Heatwole, D. Heard, B. Brattstrom and G.M. Burghardt.  2016.  Anaesthesia and euthanasia of amphibians and reptiles used in scientific research: Should hypothermia and freezing be prohibited? Biosci. 67: 53-61. doi:10.1093/biosci/biw143.

    220.     Gienger, C.M., M. L. Brien, C.R. Tracy, S.C. Manolis, G.J.W. Webb, R.S. Seymour and K.A. Christian.  2017.  Ontogenetic comparisons of standard metabolism in three species of crocodilians.  Plos One 12: e0171082.  doi: 10.1371/journal.pone.0171082.

    221.     Seymour, R.S., V. Bosiocic and E.P. Snelling. 2017. Correction to ‘Fossil skulls reveal that blood flow rate to the brain increased faster than brain volume during human evolution’.  Roy. Soc. Open Sci. 4: 170846. doi: 10.1098/rsos.170846.

    222.     Jones, K.K., S.K. Hetz and R.S. Seymour. 2017. The effects of temperature, activity and convection on the plastron PO2 of the aquatic bug Aphelocheirus aestivalis (Hemiptera; Aphelocheiridae). Journal of Insect Physiology (in press) doi: 10.1016/j.jinsphys.2017.07.001.

    223.     Snelling, E.P., A.A. Biewener, Q. Hu,D.A. Taggart, A. Fuller, D. Mitchell, S.K. Maloney and R.S. Seymour. 2017. Scaling of the ankle extensor muscle-tendon units and the biomechanical implications for bipedal hopping locomotion in the post-pouch kangaroo Macropus fuliginosus. Journal of Anatomy 231: 921-930. doi:10.111/joa.12715.

    224.     Seymour, R.S., K. Ito and Y. Umekawa. 2018. Respiration of thermogenic inflorescences of skunk cabbage Symplocarpus renifolius in heliox. Plant, Cell and Environment 41: 367-373. doi: 10.1111/pce.13097.

    225.     Snelling, E.P., R. Duncker, K.K. Jones, E.P. Fagan-Jeffries and R.S. Seymour. 2017. Flight metabolic rate of Locusta migratoria in relation to oxygen partial pressure in atmospheres of varying diffusivity and density. Journal of Experimental Biology 220: 4432-4439.  doi: 10.1242/jeb.168187.

    226.     Hu, Q., T.J. Nelson, E.P. Snelling and R.S. Seymour.  2018. Femoral bone perfusion through the nutrient foramen during growth and locomotor development of western grey kangaroos Macropus fuliginosus. Journal of Experimental Biology jeb168625. doi: 10.1242/jeb.168625.

    227.     Snelling, E.P., S.K. Maloney, A.P. Farrell, L.C.R. Meyer, A. Izwan, A. Fuller, D. Mitchell, A. Haw, M-A. Costello, R.S. Seymour.  2018.  Scaling of morphology and ultrastructure of hearts among wild African antelope.  Journal of Experimental Biology 221: jeb 184713. doi: 10.1242/jeb.184713.

    228.     Seymour, R.S. and Snelling, E.P. 2019. Calculating brain perfusion of primates.  Journal of Human Evolution 128: 99-102. doi: 10.1016/j.jhevol.2018.06.001

    229.     Laina, D., I. Oikonomou, K. Koutroumpa, M. Bariotakis, K. Kotzabasis, K. Ito, R.S. Seymour and S.A. Pirintsos. 2018. Exogenous induction of thermogenesis in Arum concinnatum by salicylic acid.  Functional Plant Biology 45: 1195-1204. doi: 10.1071/FP17247.

    230.     Izwan, A., E.P. Snelling, R.S. Seymour, L.C.R. Meyer, A. Fuller, A. Haw, D. Mitchell, A.P. Farrell, M-A. Costello, S.K. Maloney. 2018.  Ameliorating the adverse cardiorespiratory effects of chemical immobilization by inducing general anaesthesia in sheep and goats: implications for physiological studies of large wild mammals.  Journal of Comparative Physiology B: 188:991-1003. doi: 10.1007/s00360-018-1184-z.

    231.     Seymour, R.S., Q. Hu and E.P. Snelling.  2019.  Interspecific scaling of blood flow rates and arterial sizes in mammals.  Journal of Experimental Biology 222: jeb199554. doi: 10:1242/jeb. 199554.

    232.     Jones, K.K., S.J.B. Cooper and R.S. Seymour.  2019.  Cutaneous respiration by diving beetles from underground aquifers of Western Australia (Coleopters: Dytiscidae).  Journal of Experimental Biology 222: jeb 196659.  doi: 10:1242/jeb.196659.

    233.     Snelling, E.P., R.S. Seymour, D.A. Giussani, A. Fuller, S.K. Maloney, A.P. Farrell, D. Mitchell, K.P. Goroge, E.M. Dzialowski, S.S. Jonker and T. Wube. 2019. Scaling of cardiac morphology is interrupted by birth in the developing sheep Ovis aries.  Journal of Anatomy 235:  96-105. doi: 10.1111/joa.12990.

    234.     Palci, A., R.S. Seymour, C.V. Nguyen, M.A. Hutchinson, M.S.Y. Lee and K. L. Sanders. 2019.  Novel vascular plexus in the head of a sea snake (Elapidae, Hydrophiinae) revealed by high-resolution computed tomography and histology.  Royal Society Open Science 6: 191099. doi: 10.1098/rsos.191099.

    235.     Seymour, R.S., V. Bosiocic, E.P. Snelling, P.C. Chikezie, Q. Hu, T.J. Nelson, B. Zipfel and C.V. Miller.  2019.  Cerebral blood flow rates in recent great apes are greater than in Australopithecus species that had equal or larger brains. Proceedings of the Royal Society, Biological Sciences. 20192208. doi: 10.1098/rspb2019.2208.

    236.     Seymour, R.S., Q. Hu and E.P. Snelling.  2020.  Blood flow rate and wall shear stress in seven major cephalic arteries of humans.  Journal of Anatomy (on line). doi: 10.1111/joa.13119.

    237.     Hu, Q., T.J. Nelson and R.S. Seymour.  2020.  Bone foramen dimensions and blood flow calculation: best practices.  Journal of Anatomy (on line). doi: 10.1111/joa.13106.

    238.     Munn, A.J., E.P. Snelling, D.A. Taggart and R.S. Seymour.  2021.  Ontogenetic scaling of the gastrointestinal tract of a marsupial foregut fermenter, the western grey kangaroo Micropus fuliginosus.  Journal of Comparative Physiology B. 191: 371-383. doi: 10.1007/s00360-020-01333-x.

    239.     Jones, K.K. and R.S. Seymour.  2021.  Gas exchange and dive behaviour in the diving beetle Platynectes decempunctatus(Coleoptera: Dytiscidae).  Journal of Insect Physiology 133: 104286.  doi: 10.1016/j.jinsphys.2021.104286.

    240.     Hu, Q., T.J. Nelson and R.S. Seymour.  2021. Regional femoral bone blood flow rates in laying and non-laying chickens estimated with fluorescent microspheres.  Journal of Experimental Biology 224: jeb242597.  doi: 10.1242/jeb242597.

    241.     Hu, Q., T.J. Nelson and R.S. Seymour.  2021. Morphology of the nutrient artery and its foramen in relation to femoral bone perfusion rates of laying and non-laying hens. Journal of Anatomy  13535  doi: 10.1111/joa.13535.

    242.     Barrett, S.R-W. and R.S. Seymour.  2021. Extreme hypoxia and high lactate concentrations in early chicken embryos show that cutaneous oxygen uptake is limited by diffusion and metabolism is partially anaerobic. Journal of Comparative Physiology B. 191:1007-1016. doi: 10.1007/s00360-021-01372-y.

    243.     Grigg, G., J. Nowack, J.E.P.W. Bicudo, N.C. Bal, H.N. Woodward and R.S. Seymour.  2021. Whole-body endothermy: ancient, homologous and widespread among the ancestors of mammals, birds and crocodylians.   Biological Reviews 12822. doi: 10.1111/brv.12822.

    244.     Farrell, A.P., C.A. Mueller and R.S. Seymour. 2021. Coming up for air. Journal of Experimental Biology 224: jeb243101.  doi: 10.1242/jeb243101.

    245.     White, C.R. and R.S. Seymour.  2021. The roles of diffusion and convection in ventilation of animal burrows.  Journal of Comparative Physiology B. 191:1047-1058. doi: 10.1007/s00360-021-01395-5.

    246.     Horrell, H.D., Lindeque, A., A.P. Farrell, R.S. Seymour, C.R. White, K.M. Kruger and E.P. Snelling.  2022.  Relationship between capillaries, mitochondria and maximum power of the heart: a meta-study from shrew to elephant. Proceedings of the Royal Society B. 289: 20212461.  doi: 10.1098/rspb.2021.2461



    Edited book:


    Seymour, R.S.   1984.  Respiration and Metabolism of Embryonic Vertebrates.  Junk, Dordrecht.  pp. 1-445.



    Chapters in books or symposium volumes:


    1.       Heatwole, H. and R.S. Seymour.  1975.   Diving physiology.   In:  The Biology of Sea Snakes.   W.A. Dunson (Ed.).   University Park Press, Baltimore.   pp. 289-327.

    2.       Heatwole, H. and R. Seymour.   1975.   Respiration of marine snakes.   In:  Respiration in Amphibious Vertebrates.   G.M. Hughes (Ed.).   Academic Press, New York.   pp. 375-389.

    3.       Seymour, R.S. and H. Rahn.   1978.   Gas conductance in the eggshell of the mound-building brush turkey.   In:  Respiratory Function in Birds:  Adult and Embryonic.   J. Piiper (Ed.).   Springer-Verlag, Heidelberg.   pp. 243-246.

    4.       Seymour, R.S.   1982.   Physiological adaptations to aquatic life.   In:  Biology of the Reptilia, Physiological Ecology. Vol. 13.   C. Gans and F.H. Pough (Eds.).   Academic Press.   pp. 1-51.

    5.       Seymour, R.S.   1984.   Preface.   In:  Respiration and Metabolism of Embryonic Vertebrates.   R.S. Seymour (Ed.).   Junk, Dordrecht.   pp. v-vii.

    6.       Seymour, R.S.   1984.   Patterns of lung aeration in the perinatal period of domestic fowl and Brush Turkey.   In:  Respiration and Metabolism of Embryonic Vertebrates.   R.S. Seymour (Ed.).   Junk, Dordrecht.   pp. 319-332.

    7.       Seymour, R.S.   1987.   Physiological correlates of reinvasion of water by reptiles.   In:  Comparative Physiology:  Life in Water and on Land.   P. Dejours, L. Bolis, C.R. Taylor and E.R. Weibel (Eds.) Fidia Research Series.   Liviana Press, Padova.   pp. 471-481.

    8.       Seymour, R.S., G.J.W. Webb, A.F. Bennett and D.F. Bradford.   1987.   Effect of capture on the physiology of Crocodylus porosus.   In:  Wildlife Management:  Crocodiles and Alligators.   G.J. Webb, S.C. Manolis, P.J. Whitehead (Eds.).   Surrey Beatty and Sons, Sydney.   pp. 253-257.

    9.       Seymour, R.S.   1989.   Diving physiology - reptiles.   Chapter 23.   In: Comparative Pulmonary Physiology:  Current Concepts. Lung Biology in Health and Disease. Vol. 39. S.C. Wood (Ed.)  Marcel Dekker, New York.   pp. 697-720.

    10.    Seymour, R.S.  1994-2004.  Circulation.  Chapter 21.  In: Biology.  Knox, B., P. Ladiges and B. Evans (Eds.)  McGraw-Hill, Sydney. 1st, 2nd, and 3rd editions.

    11.    Seymour, R.S.  1996.  Morphological and environmental constraints on respiration of amphibian embryos.  In:  Proceedings of The Sixth International Conference of the Israeli Society for Ecology and Environmental Quality Sciences.  pp. 510-513.

    12.    Packard, M.J. and R.S. Seymour.  1997.  Evolution of the amniote egg.  In: Amniote Origins.  Completing the Transition to Land.  S.S. Sumida and K.L.M. Martin (Eds.)  Academic Press, New York.  pp. 265-290.

    13.    Seymour, R.S.  2001. Preface to Physiology and Physiological Ecology.  Crocodilian Biology and Evolution.  G.C. Grigg, F. Seebacher and C.E. Franklin, editors.  Surrey-Beatty, Chipping Norton. pp. 263-264.

    14.    Seymour, R.S. and C.R. White. 2006.  Models for embryonic respiration.  In: Comparative Developmental Physiology.  S.J. Warburton, W.W. Burggren, B. Pelster, C.L. Reiber and J. Spicer (Eds)  Oxford University Press, Oxford.  pp. 41-57.

    15.    White, C. R. and R.S. Seymour. 2011. Physiological functions that scale to body mass in fish.  In: Encyclopedia of Fish Physiology. From Genome to Environment. A. P. Farrell (ed.). pp. 1573-1582. DOI: 10.1016/B978-0-1237-4553-8.00178-7  Academic Press ISBN: 978-0-12-374545-3. 

    16.    Seymour, R.S.  2023.  Physiology and anatomy of extant crocodiles as windows to pseudosuchian evolution. In: Crocodylian Paleobiology (H. Woodward Ballard and J. Farlow, eds.) Indiana University Press.


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Entry last updated: Wednesday, 30 Nov 2022