The Vertebrates References

Anapsida: References

Abreviated Dendrogram
Reptiliomorpha ├─Synapsida └─┬─Eureptilia │ └─Anapsida ├─┬─Millerettidae │ └─Eunotosaurus ├─Mesosauridae └─┬─Lanthanosuchoidea └─┬─Bolosauridae └─Procolophonia ├─┬─Nycteroleteridae │ └─Pareiasauridae └─Procolophonoidea ├─Owenettidae │ └?─Testudines └─Procolophonidae



Barberena, M.C.; Araújo, D.C. & Lavina, E.L. 1985. Late Permian and Triassic tetrapods of Southern Brazil. National Geographic Research, 1:5-20.

Benton, M. J., Vertebrate Paleontology, 2nd ed. 2000, 3rd ed. 2005, Blackwell Science Ltd.
Parareptilia, Pareiasauridae

Berman, DS, RR Reisz, D Scott, AC Henrici, SS Sumida & T Martens (2000), Early Permian bipedal reptile. Science 290: 969-972. H.
abstract Bolosauridae, Eudibamus.

Boonstra LD. 1932. The phylogenesis of the Pareiasauridae: a study in evolution, South African Journal of Science 29: 480–486.

L. D. Boonstra, 1969, "The Fauna of the Tapinocephalus Zone (Beaufort Beds of the Karoo)," Ann. S. Afr. Mus. 56 (1) 1-73, pp. 29-32
Bradysaurus, Bradysaurus baini, Embrithosaurus, Embrithosaurus strubeni

J. Botha & R.M.H. Smith, 2006, Rapid vertebrate recuperation in the Karoo Basin of South Africa following the End-Permian extinction, Journal of African Earth Sciences 45 (2006) 502–514
"Owenetta" kitchingorum, Sauropareion

Botha-Brink, J. and Modesto, S. P. 2007. A mixed-age classed 'pelycosaur' aggregation from South Africa: earliest evidence of parental care in amniotes? Proceedings of The Royal Society B 274: 2829–2834.
Procolophonidae - burrowing lifestyle

Jennifer Botha, Sean P. Modesto, and Roger M.H. Smith, Extended procolophonoid reptile survivorship after the end-Permian extinction, South African Journal of Science 103, January/February 2007
"Owenetta" kitchingorum, Sauropareion

V. V. Bulanov and O. V. Yashina, Elginiid Pareiasaurs of Eastern Europe, Paleontological Journal, Vol. 39, No. 4, July-August 2005, pp. 428-43

Jack M. Callaway, 1997, Introduction, in Jack M. Callaway and Elizabeth L. Nicholls, eds. Ancient Marine Reptiles. Academic Press, San Diego & London
Mesosaurs as diapsids? Or what?

Carroll, R. L., 1988: Vertebrate paleontology and evolution. W. H. Freeman and company, New York,
Mesosaurs as diapsids? Or what?, Pareiasauridae, Procolophonia - phylogeny, Rhipaeosaurus, Sclerosaurus

Carroll, RL (2009), The Rise of Amphibians : 365 million years of evolution, John Hopkins University Press, Baltimore

Chudinov., P. K. (1955). Procolophonia (cotylosaurs) of Russia. Doklady Academii Nauk SSSR 103, 913-916.

Chudinov, P,. K. (1957). Cotylosaurs from the Upper Permian redbeds deposits of the Preurals. Trudy Paleontologischeskogo Instituta, Akademiia Nauk SSSR 68, 19-87.

Cisneros, Juan Carlos, 2006, A taxonomic revision of the genus Procolophon and the phylogenetic relationships of Procolophonoid reptiles, Phd thesis, University of the Witwatersrand, Johannesburg, online
Anomoiodon, Candelaria, Eumetabolodon, Leptopleuroninae, Leptopleuroninae - Unnamed clade, Leptopleuronini, Hallucicrania, "Horned procolophonids", Neoprocolophon, Procolophon, Procolophonidae, Procolophonidae - Overview, Procolophoninae, Sclerosaurus, Sauropareion, Theledectinae

Cisneros, Juan Carlos Taxonomic status of the reptile genus Procolophon from the Gondwanan Triassic, Palaeont. afr. (April 2008) 43: 7–1

Cisneros, J.C., Abdala, F. & Malabarba, M.C. 2005: Pareiasaurids from the Rio do Rastro Formation, Southern Brasil: biostratigraphic implications for Permian faunas of the Paraná Basin. Revista Brasileira de Paleontogia 8, 13-24.0. pdf

Cisneros, J. C., Damiani, R., Schultz, C., da Rosa, A., Schwanke, C., Neto, L. W. and Aurélio, P. L. P. (2004) A procolophonoid reptile with temporal fenestration from the Middle Triassic of Brazil. Proceedings of the Royal Society Series B 271(1547):1541-1546. pdf .
Acleistorhinidae, Candelaria, Owenettidae "Owenetta" kitchingorum

Cisneros, J.C.; Rubidge, B.S.; Mason, R.; and Dube, C. (2008). "Analysis of millerettid parareptile relationships in the light of new material of Broomia perplexa Watson, 1914, from the Permian of South Africa". Journal of Systematic Palaeontology 2008 (6): 453–462. doi:10.1017/S147720190800254X. pdf
Eunotosaurus, Millerettidae

Cisneros, Juan Carlos and Ruta, Marcello(2010) 'Morphological diversity and biogeography of procolophonids (Amniota: Parareptilia)', Journal of Systematic Palaeontology, 8: 4, 607 — 625 DOI: 10.1080/14772019.2010.491986 online

Cisneros, J.C. and Schultz, C.L. (2002) Procolophon brasiliensis n. sp., a new procolophonid reptile from the Lower Triassic of southern Brazil. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte, vol. 2002, pp. 641-648.

Cisneros, J. C., and Tsuji, L.A., Nycteroleter affinities of a Permian parareptile from the South African Karoo Basin, Acta Palaeontologica Polonica 54 (1): 165-169, 2009 pdf.

Colbert E,. H. (1946). Hypsognathus, a Triassic reptile from New Jersey. Bulletin of the American Museum of Natural History 86, 225-274.
Nyctiphruretus, Sclerosaurus

Edwin H. Colbert, 1965, The Age of Reptiles,  The World Naturalist, Weidenfeld and Nicolson, London
Bradysaurus, Pareiasauridae

Colbert, E.H., 1969 Evolution of the Vertebrates, John Wiley & Sons, 2nd ed.
Mesosaurs as diapsids? Or what?, Procolophonia - phylogeny

Barry Cox, R.J.G.Savage, Brian Gardiner, Dougal Dixon, 1988 Illustrated Encyclopaedia of Dinosaurs and Prehistoric Animals

Daly, E., 1969. "A new Procolophonoid reptile from the Early Permian of Oklahoma." Journal of Paleontology, v. 43, n. 3, p. 676-687.

deBraga, M. 2003. The postcranial skeleton, phylogenetic position, and probable lifestyle of the Early Triassic reptile Procolophon trigoniceps. Canadian Journal of Earth Sciences 40: 527-556
Procolophonidae - burrowing lifestyle, Sclerosaurus

deBraga, M & O Rieppel (1997) Reptile phylogeny and the interrelationships of turtles, Zool. J. Linnean Soc. 120: 281-354.
Parareptilia, Pareiasuria, Procolophonomorpha, Pumiliopareiasauria, Velosauria.

deBraga, M. & Reisz, R. R., 1996: The Early Permian reptile Acleistorhinus pteroticus and its phylogenetic position. Journal of Vertebrate Paleontology: Vol. 16, #3, pp. 384-395 .

Dias-da-Silva, S. 2012: Middle-Late Permian tetrapods from the Rio do Rasto Formation, Southern Brazil: a biostratigraphic reassessment. Lethaia, Vol. 45, pp. 109–120. pdf

Cajus G. Diedrich, C.G. (2011), Fossil middle triassic "sea cows" - placodont reptiles as macroalgae feeders along the north-western tethys coastline with pangaea and in the germanic basin Natural Science, Vol.3, No.1, 9-27 doi:10.4236/ns.2011.31002 SciRes. Online

Du Toit, A. L. 1937. Our wandering continents. Oliver and Boyd, U.K., London.

Carol Lane Fenton and Mildred Adams Fenton, 1958, The Fossil Book, Doubleday & Co., Garden City, New York
Bradysaurus, Pareiasauridae

Gauthier, J. 1986. Saurischian monophyly and the origin of birds; pp. 1-55 in K. Padian (ed.), The Origin of Birds and the Evolution of Flight. Memoirs of the California Academy of Science, Number 8, Berkeley.

Gauthier, J., A. G. Kluge, & T. Rowe. 1988. The early evolution of the Amniota. In M. J. Benton (ed.) The phylogeny and classification of the tetrapods, Volume 1: amphibians, reptiles, birds: 103-155. Oxford: Clarendon Press.
Parareptilia, Procolophonia - phylogeny,

Golubev, V.K. 2000. The Faunal Assemblages of Permian Terrestrial Vertebrates from Eastern Europe, Paleontological Journal, Vol. 34, Suppl. 2, 2000, pp. S211–S224
Deltavjatia, Elginia, Scutosaurus

Gow, C.E. (1977) Tooth function and succession in the Triassic reptile Procolophon trigoniceps. Palaeontology, vol. 20, pp. 695-704.

Groenewald, G. H. 1991. Burrow casts from the Lystrosaurus-Procolophon Assemblagezone, Karoo Sequence, South Africa. Koedoe 34: 13–22
Procolophon, Procolophonidae - burrowing lifestyle

Hamley, T., and Thulborn, T., 1993, Temporal Fenestration in the Primitive Triassic Reptile Procolophon: In: The Nonmarine Triassic, Edited by Spencer G. Lucas and Michael Morales. New Mexico Museum of Natural History and Science, Bulletin n. 3, p. 171-174. pdf

Hartmann-Weinberg AP 1933. Evolution der Pareiasauriden: Trudy Palaeontological institute Academe Nauk, SSSR, 1933, n. 3, p. 1-66.
Deltavjatia, Pareiasaurus

Heaton M. J. 1980. . The Cotylosauria: a reconsideration of a group of archaic tetrapods, in Panchan A. L. (ed.), The terrestrial environment and the origin of land vertebrates. Systematics Association Special Volume, 5, Academic Press, London; New York: 71-85.

Hotton, N.III., Olson, E.C. and Beerbower, R. (1997) Amniote origins and the discovery of herbivory, In: Sumida, S.S. and Martin, K.L.M. eds. Amniote origins: completing the transition to land, San Diego: Academic Press, pp. 206-264..

von Huene. F, . (1912). Die cotylosaurier der Trias. Palaeontographica 59, 69-102.

Hill, Robert V.. 2005. Integration of Morphological Data Sets for Phylogenetic Analysis of Amniota: The Importance of Integumentary Characters and Increased Taxonomic Sampling. Systematic Biology 54(4):530-547. abstract pdf.
Mesosaurs as diapsids? Or what?

Ivachnenko, M. F. ( I 987). Permian parareptiles of the USSR. Trudy Paleontologicheskogo Instituta, Akademiia

Ivachnenko, M.,F., 1992, "Late Permian faunistic complexes of tetrapods of East Europe and it's Gondwanan analogues", In: Paleontology and Stratigraphy of the Continental Permian and Triassic Deposits of Northern Eurasia, Abstracts, Moscow, pp.14-15

Ivakhnenko, M.F. Golubev, V.K., Gubin, Y.M., Kalandadze, N.N., Novikov, I.V., Sennikov, A.G., and Rautian, A.S. 1997. Permian and Triassic tetrapods of eastern Europe [in Russian]. Trudy Paleontologièeskogo Instituta Akademii Nauk 268: 1-216.
Nycteroleteridae, Nyctiphruretus

Jalil, N.-E. and Janvier, P. (2005). "Les pareiasaures (Amniota, Parareptilia) du Permien supérieur du Bassin d'Argana, Maroc." Geodiversitas, 27(1) : 35-132. pdf

Oskar Kuhn, 1969, Cotylosauria, part 6 of Handbuch der Palaoherpetologie (Encyclopedia of Palaeoherpetology), Gustav Fischer Verlag, Stuttgart & Portland,
Procolophonia - phylogeny, Pareiasauridae, Rhipaeosaurus, Shihtienfenia

Lambert, D., Naish, D., Wyse, L., & American Museum of Natural History. (2001). Dinosaur encyclopedia: From dinosaurs to the dawn of man. New York: Dorling Kindersley.

Langer, M.C. 2000. The first record of dinocephalians in South America: Late Permian (Rio do Rasto Formation) of the Paraná Basin. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 215:69-95.

Michel Laurin, 1996, " Introduction to Pareiasauria - An Upper Permian group of Anapsids" -

Laurin, M., & Gauthier, J. A., 1996 Phylogeny and Classification of Amniotes, at The Tree of Life Web Project.

Laurin, M. & R. R. Reisz. 1995. A reevaluation of early amniote phylogeny. Zoological Journal of the Linnean Society 113: 165-223. (abstract).
Mesosaurs as diapsids? Or what?, Parareptilia, Procolophonia - phylogeny,

Lee, M. S. Y. 1995. Historical burden in systematics and the interrelationships of 'Parareptiles'. Biological Reviews of the Cambridge Philosophical Society 70: 459-547. .
Nycteroleteridae, Nyctiphruretus, Procolophonia - evolutionary history, Procolophonia - phylogeny, Procolophonomorpha, Rhipaeosaurus

Lee M. S. Y. 1996. Correlated progression and the origin of turtles. Nature 379: 812-815. .

Lee, MSY (1997), Pareiasaur phylogeny and the origin of turtles. Zool. J. Linnean Soc., 120: 197-280.
Overview, Nycteroleteridae, Nyctiphruretus, Owenetta, Procolophonomorpha, Pareiasuria, Velosauria.

Li, J. L., 1983, Tooth replacement in a new genus of Procolophonid from the Early Triassic of China: Palaeontology, v. 26, part 3: 567-583.

Vladlen R. Lozovsky, 1998, "The Permian-Triassic boundary in the continental series of Eurasia", Palaeogeography, Palaeoclimatology, Palaeoecology, 143 (1998) pp.273-283

Lucas, S. G., 2001 Chinese Fossil Vertebrates, Columbia University Press
Eumetabolodon, Shihtienfenia

Lucas, S. G., 2006, Global Permian tetrapod biostratigraphy and biochronology, in, Lucas, S. G., Cassinis, G. & Schneider, J. W. (eds) 2006. Non-Marine Permian Biostratigraphy and Biochronology. Geological Society, London, Special Publications, 265, 65-93.
Bolosaurus, Shihtienfenia

Lyson, T.R., Bever, G.S., Bhullar, B-A.S.,Joyce, G.J., Gauthier, J.A. 2010. Transitional fossils and the origin of turtles. Biol. Lett. doi:10.1098/rsbl.2010.0371 pdf
Eunotosaurus, Hallucicrania, Mesosaurs as diapsids? Or what?

MacDougall MJ, Modesto SP and Botha-Brink J 2012. The postcranial skeleton of the Early Triassic parareptile Sauropareion anoplus, with a discussion of possible life history. Acta Palaeontologica Polonica in press available online 27 Feb 2012 doi:10.4202/app.2011.0099 online pdf, supp file
Procolophonidae - burrowing lifestyle, Sauropareion

Maisch MW 2010. Phylogeny, systematics, and origin of the Ichthyosauri - the state of the art. Palaeodiversity 3: 151–214.
Mesosaurs as diapsids? Or what?

Malabarba, M.C., Abdala, F., Weiss, F. & Peres, P.A. 2003: New data on the Late Permian Fauna of Posto Queimado, Rio do Rastro Formation, Southern Brazil. Revista Brasileira de Paleontologia 6, 49–54. pdf

Martínez, Juan Carlos Cisneros 2006 A taxonomic revision of the genus Procolophon and the phylogenetic relationship of procolophonoid reptiles, Phd Thesis University of the Witwatersrand, Johannesburg, Cover and Contents Thesis

Meckert D 1995. The procolophonid Barasaurus and the phylogeny of early amniotes. PhD thesis McGill University. Online Thesis

Milner, A. R. 1993. Biogeography of Paleozoic tetrapods, in Long J. A. (ed.), Palaeozoic Vertebrate Biostratigraphy and Biogeography. Belhaven Press, London: 324-353.

Modesto, S. P. (1999). "Colobomycter pholeter from the Lower Permian of Oklahoma: a parareptile, not a protorothyrided." Journal of Vertebrate Paleontology, 19(3):466-472

Modesto, S. P. 1999b. Observations on the structure of the Early Permian reptile Stereosternum temidum Cope. Palaeontologia Africana 35:7-19.
Mesosaurs as diapsids? Or what?

Modesto SP and Anderson JS 2004. The Phylogenetic Definition of Reptilia. Systematic Biology 53(5):815-821. Online
Mesosaurs as diapsids? Or what?

Modesto, S. P., Damiani, R. J., Neveling, J. and Yates, A. M. (2003). A new Triassic owenettid parareptile and the Mother of Mass Extinctions. Journal of Vertebrate Paleontology 23(3):715-719. .

Modesto, S. P. & Reisz, R. R. (2008). "New material of Colobomycter pholeter, a small parareptile from the Lower Permian of Oklahoma." Journal of Vertebrate Paleontology, 28(3):677-684.

Modesto, S.P. & Rybczynski, N. (2000), The amniote faunas of the Russian Permian: implications for Late Permian terrestrial vertebrate biogeography, in MJ Benton, MA Shishkin, DM Unwin & EN Kurochkin (eds.), The Age of Dinosaurs in Russia and Mongolia, Cambridge Univ. Press, pp. 17-34.

Modesto SP, Scott DM, Botha-Brink J and Reisz RR 2010. A new and unusual procolophonid parareptile from the Lower Triassic Katberg Formation of South Africa. Journal of Vertebrate Paleontology 30 (3): 715-723. doi:10.1080/02724631003758003.

Modesto S, Sues H-D and Damiani R 2001. A new Triassic procolophonid reptile and its implications for procolophonid survivorship during the Permo-Triassic extinction event. Proceedings of the Royal Society, London B 268: 2047-2052.

Muller J, Tsuji LA (2007) Impedance-Matching Hearing in Paleozoic Reptiles: Evidence of Advanced Sensory Perception at an Early Stage of Amniote Evolution. PLoS ONE 2(9): e889. doi:10.1371/journal.pone.0000889 pdf .
Eunotosaurus, Hallucicrania, Nycteroleteridae, Nyctiphruretus, "Owenetta" kitchingorum, Rhipaeosaurus

Andrew J. Newell, Andrey G. Sennikov, Michael J. Benton, Iya I. Molostovskaya, Valeriy K. Golubev, Alla V. Minikh, & Maxim G. Minikh, 2010. Disruption of playa–lacustrine depositional systems at the Permo-Triassic boundary: evidence from Vyazniki and Gorokhovets on the Russian Platform, Journal of the Geological Society, London, Vol. 167, 2010, pp. 695–716. doi: 10.1144/0016-76492009-103.

Olson E. C. 1947. The family Diadectidae and its bearing on the classification of reptiles. Fieldiana Geology 11: 1-53.

Everett C. Olson, 1962, "Late Permian Terrestrial Vertebrates, USA and USSR", Transactions of the American Philosophical Society, Philadelphia, vol 52 part 2
Nycteroleter, Rhipaeosaurus

Piñeiro G, Ferigolo J, Meneghel M and Laurin M 2012. The oldest known amniotic embryos suggest viviparity in mesosaurs. Historical Biology: An International Journal of Paleobiology, DOI:10.1080/08912963.2012.662230 pdf

Rieppel, O. 1994. Osteology of Simosaurus gaillardoti and the relationships of stem-group sauropterygia. Fieldiana Geology 1462: 1-85.

Rieppel O. 1995. Studies on skeleton formation in reptiles: implications for turtle relationships. Zoology-Analysis of Complex Systems 98: 298-308.

Rieppel O. & M. deBraga. 1996. Turtles as diapsid reptiles. Nature 384: 453-455.
Parareptilia, Procolophonomorpha

Reisz RR and Laurin M 1991. Owenetta and the origin of turtles. Nature 349:324-326.
Owenetta, Procolophonia - evolutionary history

Reisz, R.R. and Laurin, M. 2001. The reptile Macroleter: First vertebrate evidence for correlation of Upper Permian continental strata of North America and Russia. Geological Society of America Bulletin 113: 1229-1233.

Reisz, R. R. and Scott, D. (2002). Owenetta kitchingorum, sp. nov., a small parareptile (Procolophonia: Owenettidae) from the Lower Triassic of South Africa. Journal of Vertebrate Paleontology 22(2):244-256. pdf
Acleistorhinidae, Owenettidae

Romer, A. S., 1966, Vertebrate Paleontology, University of Chicago Press; 3rd edition.
Mesosaurs as diapsids? Or what?, Nyctiphruretus, Parareptilia, Procolophonia - phylogeny

B.S. Rubidge , S. Modesto , C. Sidor and J. Welman, 1999, Eunotosaurus africanus from the Ecca-Beaufort contact in Northern Cape Province, South Africa - implications for Karoo Basin development Research Letters South African Journal of Science 95, November/December 1999 pp.553-4 pdf,

Säila, L. K. 2008. The osteology and affinities of Anomoiodon liliensterni , a procolophonid reptile from the Lower Triassic Bundsandstein of Germany. Journal of Vertebrate Paleontology 28(4):1199–1205.

Säila LK 2010a. Osteology of Leptopleuron lacertinum Owen, a procolophonoid parareptile from the Upper Triassic of Scotland, with remarks on ontogeny, ecology and 25 affinities. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 101: 1–25.
Leptopleuron, Procolophonidae - burrowing lifestyle

Säila LK 2010b. The phylogenetic position of Nyctiphuretus acudens, a parareptile from the Permian of Russia. Journal of Iberian Geology 36(2) 2010:123-143

A. G. Sennikov and V. K. Golubev, 2006, Vyazniki Biotic Assemblage of the Terminal Permian, Paleontological Journal, Vol. 40, Suppl. 4, pp. S475–S481.

Spencer, P.S. and Storrs, G.W. (2002) A re-evaluation of small tetrapods from the Middle Triassic Otter Sandstone Formation of Devon, England. Palaeontology, vol. 4, pp. 447-467.

Hans-Dieter Sues, Paul E. Olsen, Diane M. Scott, and Patrick S. Spencer, 2000, Cranial osteology of Hypsognathus fenneri, a latest Triassic procolophonid reptile from the Newark Supergroup of Eastern North America, Journal of Vertebrate Paleontology 20(2):275-284, June 2000 pdf
Hypsognathus, Procolophonidae - burrowing lifestyle

Sues, H-D and Reisz, R. R. (2008) Anatomy and phylogenetic relationships of Sclerosaurus armatus (Amniota: Parareptilia) from the Buntsandstein (Triassic) of Europe. Journal of Vertebrate Paleontology 28 (4):1031-1042.

Sumida, Stuart S & Modesto, Sean. "A Phylogenetic Perspective on Locomotory Strategies in Early Amniotes". Integrative and Comparative Biology. Oxford Journals. abstract

Tsuji LA 2006. Cranial anatomy and phylogenetic relationships of the Permian parareptile Macroleter poezicus. Journal of Vertebrate Paleontology 26:849-865 pdf

Linda A. Tsuji and Johannes Müller 2009 Assembling the history of the Parareptilia: phylogeny, diversification, and a new definition of the clade Fossil Record 12 (1) 2009, 71–81 / DOI 10.1002/mmng.200800011
"Horned procolophonids", Mesosaurs as diapsids? Or what?, Velosauria

Linda A. Tsuji, Johannes Müller and Robert R. Reisz (2012). "Anatomy of Emeroleter levis and the phylogeny of the nycteroleter parareptiles". Journal of Vertebrate Paleontology 32 (1): 45-67. doi:10.1080/02724634.2012.626004
Hallucicrania, Macroleter, Nyctiphruretus, Rhipaeosaurus

Valentin P. Tverdokhlebov, Galina I. Tverdokhlebova, Alla V. Minikh, Mikhail V. Surkov, and Michael J. Benton, (2005) Upper Permian vertebrates and their sedimentological context in the South Urals, Russia, Earth-Science Reviews 69 27-77 55 pdf
Belebey, Nycteroleteridae, Scutosaurus, Tokosaurus

Watson DMS 1914. Procolophon trigoniceps, a cotylosaurian reptile from South Africa. Proceedings of the Zoological Society of London 1914, 735-747.

Watson, D.M.S. (1954) On Bolosaurus and the origin and classification of reptiles. Bull. Mus. Comp. Zool. 111-9; pp. 295-449,

Young, K.V., Brodie, E.D.Jr. and Brodie, E.D.III, (2004) How the horned lizard got its horns. Science, vol. 304, pp. 65.

Zardoya, R. and Meyer, A. 1998, Complete mitochondrial genome suggests diapsid affinities of turtles, Proc Natl Acad Sci U S A. 1998 November 24; 95(24): 14226-14231.

Karl A. von Zittel. Translated and edited by Dr Charles R. Eastman. Vol. II. Second English edition revised, with additions, by Sir Arthur Smith Woodward. 1932 Text-Book of Palaeontology.. New York: MacMillian. 1902 edition, Public domain - Internet Archive.
Elginia, Embrithosaurus, Leptopleuron, Pareiasauridae, Pareiasaurus peringueyi, Pareiasaurus serridens

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