Robert Rafael Reisz is a Canadian paleontologist and specialist in the study of early amniote and tetrapod evolution. He is a professor of biology at the University of Toronto Mississauga.

Robert R. Reisz
Robert R. Reisz, 2004
Born
Alma materMcGill University (PhD)
Scientific career
FieldsPaleontology
InstitutionsUniversity of Toronto Mississauga
Robert L. Carroll

Research career

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Reisz received his B.Sc. (1969), M.Sc. (1971) and Ph.D. (1975) from McGill University as Robert L. Carroll's first doctoral graduate. After teaching as visiting lecturer at University of California, Los Angeles for a year, he accepted an appointment in the Biology Department at the University of Toronto's Mississauga Campus in 1975 where he still maintains his research lab. His research has been funded continuously by the Natural Sciences and Engineering Research Council of Canada (NSERC). He conducted field work in North America, Africa, and Europe, where he excavated fossils from the late Paleozoic and early Mesozoic eras. These excavations were frequently funded by the National Geographic Society.

Reisz has broad interests in vertebrate paleontology. He has published more than 100 scientific articles on subjects as diverse as lungfish and dinosaurs, but is best known for his work on early amniotes. His research includes discovering the oldest known dinosaur embryos, the oldest known bipedal reptile, and the oldest known diapsid reptile.[citation needed]

Reisz is a research associate at the Royal Ontario Museum, Toronto (since 1975), the Carnegie Museum of Natural History, Pittsburgh (since 1980), and the Field Museum of Natural History, Chicago (since 1998). He was a Senior Visiting Scientist at the Paleontological Institute of the Russian Academy of Science, Moscow (1989–2003) and Invited Professor at the Muséum national d'Histoire naturelle, Paris (2000–2003). Among others he received the Bass Fellowship of the Field Museum of Natural History (1998–2000), the Visiting Wilson Fellowship of the University of London, King's College (2000–2001), and a Research Award from the Alexander von Humboldt Foundation (2006–2008). In 2007, Reisz was honoured by the American Association for the Advancement of Science (AAAS) and was recognized as a Fellow. He was Senior Editor (2006-2010) of the Journal of Vertebrate Paleontology, published by the Society of Vertebrate Paleontology. A special issue of the Comptes Rendus Palevol of the French Academy of Sciences that was devoted to him.[1]

Below is a list of taxa that Reisz has contributed to naming:

Year Taxon Authors
2025 Akkedops bremneri gen. et sp. nov. Mooney, Scott, & Reisz[2]
2024 Klastomycter conodentatus gen. et sp. nov. Reisz, Rowe, & Bevitt[3]
2022 Maiothisavros dianeae gen. et sp. nov. Mooney, Maho, Bevitt, & Reisz[4]
2021 Delorhynchus multidentatus sp. nov. Rowe, Scott, Bevitt, & Reisz[5]
2019 Captorhinus kierani sp. nov. DeBraga, Bevitt, & Reisz[6]
2018 Labidosauriscus richardi gen. et sp. nov. Modesto, Scott, & Reisz[7]
2016 Colobomycter vaughni sp. nov. MacDougall, Modesto, & Reisz[8]
2015 Erpetonyx arsenaultorum gen. et sp. nov. Modesto, Scott, MacDougall, Sues, Evans, & Reisz[9]
2014 Abyssomedon williamsi gen. et sp. nov. MacDougall & Reisz[10]
2011 Sarahsaurus aurifontanalis gen. et sp. nov. Rowe, Sues, & Reisz[11]
2010 Microleter mckinzieorum gen. et sp. nov. Tsuji, Müller, & Reisz[12]
2009 Australothyris smithi gen. et sp. nov. Modesto, Scott, & Reisz[13]
2008 Gerobatrachus hottoni gen. et sp. nov. Anderson, Reisz, Scott, Fröbisch, & Sumida[14]
2005 Oromycter dolesorum gen. et sp. nov. Reisz[15]
2003 Archaeovenator hamiltonensis gen. et sp. nov. Reisz & Dilkes[16]
2001 Dimetrodon teutonis sp. nov. Berman, Reisz, Martens, & Henrici[17]

Selected publications

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  • Reisz, R. R., Scott, D., Sues, H.-D., Evans, D. C. and Raath, M. A. (2005) Embryos of an Early Jurassic prosauropod dinosaur and their evolutionary significance. Science 309: 761-764.
  • Reisz, R. R. and Smith, M.M. (2001) Lungfish dental pattern conserved for 360 million years. Nature 411: 548-550.
  • Rybczynski, N and Reisz, R.R. (2001) Earliest evidence for efficient oral processing in a terrestrial herbivore. Nature 411: 684-687.
  • Reisz, R.R., and Sues, H-D. (2000) The 'feathers' of Longisquama. Nature 408: 428.
  • Berman, D. S, Reisz, R.R., Henrici, A.C., Sumida, S.S. and Martens, T. (2000) Early Permian Bipedal Reptile. Science 290: 969-972.
  • Reisz, R.R. and H.D. Sues. (2000). Herbivory in Late Paleozoic and Triassic Terrestrial Vertebrates. pp 9–41. in: Evolution of Herbivory in Terrestrial Vertebrates, Cambridge Univ. Press., H.D. Sues, ed.
  • Sues, H.D. and R.R. Reisz. (1998). Origins and early evolution of herbivory in tetrapods. TREE vol. 13.4, pp. 141–145.
  • Reisz, R.R. (1997). The origin and early evolutionary history of amniotes. TREE. vol. 2 (6): 218-222.
  • Laurin, M. and Reisz, R.R. (1995) A reevaluation of early amniote phylogeny. Zool. Jour. Linn. Soc. 113: 165-223.
  • Laurin, M. and R. R. Reisz. (1997). A new perspective on tetrapod phylogeny. pp. 8–58. in: "The Origin of Amniotes: Completing the Transition to Land", Sumida, S. S.and K. L. M. Martin
  • Reisz, R.R. and Laurin, M. (1991). Owenetta and the origin of turtles. Nature 349(6307): 324-326.
  • Laurin, M. and R.R. Reisz. (1990). Tetraceratops is the oldest known therapsid. Nature: 345(6272): 249-250.
  • Reisz, R.R. (1986). Pelycosauria. Handbuch der Palaeoherpetologie. Gustav Fischer Verlag, Stuttgart (P. Wellenhofer ed.) 102 pp., 43 figs.
  • Reisz, R.R. (1977). Petrolacosaurus, the oldest known diapsid reptile. Science 196: 1091-1093.

References

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  1. Laurin M, Sues HD (2013). "Robert R. Reisz - Renaissance paleontologist". Comptes Rendus Palevol. 12 (7–8): 393–404. Bibcode:2013CRPal..12..393L. doi:10.1016/j.crpv.2012.09.001.
  2. Mooney, Ethan Dean; Scott, Diane; Reisz, Robert Rafael (26 February 2025). "A new stem saurian reptile from the late Permian of South Africa and insights into saurian evolution". Swiss Journal of Palaeontology. 144 (1): 10. doi:10.1186/s13358-025-00351-y. ISSN 1664-2376. PMC 11865139. PMID 40027993.
  3. Reisz, Robert Rafael; Rowe, Dylan C.T.; Bevitt, Joseph J. (19 November 2024). "Klastomycter conodentatus , gen et sp. nov., a small early Permian parareptile with conical teeth from Richards Spur, Oklahoma". PeerJ. 12 e18393. Bibcode:2024PeerJ..1218393R. doi:10.7717/peerj.18393. ISSN 2167-8359. PMC 11583906. PMID 39583101.
  4. Mooney, Ethan D.; Maho, Tea; Bevitt, Joseph J.; Reisz, Robert Rafael (30 November 2022). Liu, Jun (ed.). "An intriguing new diapsid reptile with evidence of mandibulo-dental pathology from the early Permian of Oklahoma revealed by neutron tomography". PLOS ONE. 17 (11) e0276772. Bibcode:2022PLoSO..1776772M. doi:10.1371/journal.pone.0276772. ISSN 1932-6203. PMC 9710763. PMID 36449456.
  5. Rowe, Dylan C. T.; Scott, Diane M.; Bevitt, Joseph J.; Reisz, Robert Rafael (25 August 2021). "Multiple Tooth-Rowed Parareptile From the Early Permian of Oklahoma". Frontiers in Earth Science. 9 709497: 740. Bibcode:2021FrEaS...9..740R. doi:10.3389/feart.2021.709497. ISSN 2296-6463.
  6. deBraga, Michael; Bevitt, Joseph J.; Reisz, Robert Raphael (15 May 2019). "A New Captorhinid From the Permian Cave System Near Richards Spur, Oklahoma, and the Taxic Diversity of Captorhinus at This Locality". Frontiers in Earth Science. 7 112. Bibcode:2019FrEaS...7..112D. doi:10.3389/feart.2019.00112. ISSN 2296-6463.
  7. Modesto, Sean P.; Scott, Diane; Reisz, Robert Rafael (28 February 2018). Angielczyk, Kenneth (ed.). "A new small captorhinid reptile from the lower Permian of Oklahoma and resource partitioning among small captorhinids in the Richards Spur fauna". Papers in Palaeontology. 4 (2): 293–307. Bibcode:2018PPal....4..293M. doi:10.1002/spp2.1109. ISSN 2056-2799. Retrieved 30 May 2025 via Wiley Online Library.
  8. MacDougall, Mark J.; Modesto, Sean P.; Reisz, Robert Rafael (2 September 2016). "A new reptile from the Richards Spur locality, Oklahoma, U.S.A., and patterns of Early Permian parareptile diversification". Journal of Vertebrate Paleontology. 36 (5) e1179641. Bibcode:2016JVPal..36E9641M. doi:10.1080/02724634.2016.1179641. ISSN 0272-4634. Retrieved 19 July 2026 via Taylor and Francis Online.
  9. Modesto, Sean P.; Scott, Diane M.; MacDougall, Mark J.; Sues, Hans-Dieter; Evans, David Christopher; Reisz, Robert Rafael (22 February 2015). "The oldest parareptile and the early diversification of reptiles". Proceedings of the Royal Society B: Biological Sciences. 282 (1801) 20141912. Bibcode:2015RSPSB.28241912M. doi:10.1098/rspb.2014.1912. ISSN 0962-8452. PMC 4308993. PMID 25589601.
  10. MacDougall, Mark J.; Reisz, Robert Rafael (27 October 2014). "The first record of a nyctiphruretid parareptile from the Early Permian of North America, with a discussion of parareptilian temporal fenestration: First Early Permian Nyctiphruretid". Zoological Journal of the Linnean Society. 172 (3): 616–630. doi:10.1111/zoj.12180. Retrieved 23 February 2025 via Wiley Online Library.
  11. Rowe, Timothy B.; Sues, Hans-Dieter; Reisz, Robert Rafael (7 April 2011). "Dispersal and diversity in the earliest North American sauropodomorph dinosaurs, with a description of a new taxon". Proceedings of the Royal Society B: Biological Sciences. 278 (1708): 1044–1053. Bibcode:2011PBioS.278.1044R. doi:10.1098/rspb.2010.1867. ISSN 0962-8452. PMC 3049036. PMID 20926438.
  12. Tsuji, Linda A.; Müller, Johannes; Reisz, Robert Rafael (24 May 2010). "Microleter mckinzieorum gen. et sp. nov. from the Lower Permian of Oklahoma: the basalmost parareptile from Laurasia". Journal of Systematic Palaeontology. 8 (2): 245–255. Bibcode:2010JSPal...8..245T. doi:10.1080/14772010903461099. ISSN 1477-2019. Retrieved 29 June 2026 via Taylor and Francis Online.
  13. Modesto, Sean P.; Scott, Diane M.; Reisz, Robert Rafael (18 March 2009). Sues, Hans-Dieter (ed.). "A new parareptile with temporal fenestration from the Middle Permian of South Africa". Canadian Journal of Earth Sciences. 46 (1): 9–20. Bibcode:2009CaJES..46....9M. doi:10.1139/E09-001. ISSN 0008-4077. Retrieved 17 March 2025 via Canadian Science Publishing.
  14. Anderson, Jason S.; Reisz, Robert Rafael; Scott, Diane; Fröbisch, Nadia B.; Sumida, Stuart S. (22 May 2008). "A stem batrachian from the Early Permian of Texas and the origin of frogs and salamanders". Nature. 453 (7194): 515–518. Bibcode:2008Natur.453..515A. doi:10.1038/nature06865. ISSN 1476-4687. PMID 18497824. Retrieved 17 March 2025.
  15. Reisz, Robert Rafael (30 December 2005). "Oromycter, a new caseid from the Lower Permian of Oklahoma". Journal of Vertebrate Paleontology. 25 (4): 905–910. doi:10.1671/0272-4634(2005)025[0905:OANCFT]2.0.CO;2. ISSN 0272-4634. Retrieved 18 February 2025 via Taylor and Francis Online.
  16. Reisz, Robert Rafael; Dilkes, David W. (1 April 2003). "Archaeovenator hamiltonensis , a new varanopid (Synapsida: Eupelycosauria) from the Upper Carboniferous of Kansas". Canadian Journal of Earth Sciences. 40 (4): 667–678. Bibcode:2003CaJES..40..667R. doi:10.1139/e02-063. ISSN 0008-4077. Retrieved 14 July 2026 via Canadian Science Publishing.
  17. Berman, David S.; Reisz, Robert Rafael; Martens, Thomas; Henrici, Amy C. (1 May 2001). "A new species of Dimetrodon (Synapsida: Sphenacodontidae) from the Lower Permian of Germany records first occurrence of genus outside of North America". Canadian Journal of Earth Sciences. 38 (5): 803–812. Bibcode:2001CaJES..38..803B. doi:10.1139/e00-106. ISSN 0008-4077. Retrieved 9 April 2025 via Canadian Science Publishing.
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