After Carroll, 1988, and Senter, 2004
<==o Diapsida Osborn, 1903 (diapsid reptiles; kaksiohimoaukkoiset matelijat) |?- †Spinoequalis deBraga & Reisz, 1995 |--o †Araeoscelida Williston, 1913 | |?- †Kadaliosaurus priscus Credner, 1889; L.Perm. WEu. | |?- †Dictybolus tener Olson, 1970 | |-- †Petrolacosaurus kansensis Lane [Petrolacosauridae] | `--o †Araeoscelidae | |-- †Zarcasaurus tandyderus Brinkman, Berman & Eberth, 1984 | `--o †Araeoscelis Williston, 1910 [Ophiodeirus] | |-- †A. gracilis Williston, 1910 | `-- †A. casei (Broom 1913) [Ophiodeirus casei Broom 1913] |?- †Sphodrosaurus pennsylvanicus Colbert, 1960 |?- †Palacrodon browni Broom, 1906 [Fremouwsaurus geludens Gow, 1992] |?-o †Omphalosaurus Merriami, 1906 [Omphalosauridae Merriam, 1906] sensu Motani, 2000 [a marine, non-ichthyopterygian, diapsid?] | |-- †O. nevadanus Merriami, 1906 | |-- †O. nisseri Merriami, 1911? | |-- †O. netterhynchus Mazin & Buchner, 1987 | `-- †O. wolfi Tichy, 1995 `--+-- Neodiapsida Gauthier, 1984 sensu Benton, 1985 (advanced diapsids) `--o †Avicephala Senter, 2004 |?- †Longisquama insignis Sharov, 1970 [Longisquamidae Sharov, 1970] [problematic, see Lepidosauriformes or Archosauria for alternative phylogenetic positions] |--o †Coelurosauravidae [Weigeltisauridae] | |--o †Rautiania Bulanov & Sennikov, 2006; U.Perm. EEu. | | |-- †R. alexandri Bulanov & Sennikov, 2006 | | `-- †R. minichi Bulanov & Sennikov, 2006 | `--o †Coelurosauravus Piveteau, 1926 [Gracilisaurus Weigelt, 1930; Palaeochamaelo Weigelt, 1930; Weigeltisaurus Kuhn, 1936; Daedalosaurus Carroll, 1976] U.Perm. CEu. Mad. | |-- †C. elivensis Piveteau, 1926 [Daedalosaurus magagascariensis Carroll, 1976] | `?- †C. jaekeli (Weigelt, 1930) [Palaeochamaelo jaekeli Weigelt, 1930; Weigeltisaurus jaekeli (Weigelt, 1930) Kuhn, 1936; Gracilisaurus ottoi Weigelt, 1930] [cospesific with C. elivensis??] `--o †Simiosauria Senter, 2004 |-- †Simiosauria genera et species indet. [MCSNB 4751] `--+-- †Hypuronector limnaios Colbert & Olsen, 2001 `--o †Drepanosauridae [Megalancosauridae Renesto, 1994] |?- †Drepanosauridae genera et species indet. [GR 1113] [U. Tri. SWNA.] [Harris & Downs, 2002] |-- †Drepanosaurus unguicaudatus Pinna, 1979 `--+-- †Dolabrosaurus aquatilis Berman & Reisz, 1994 `-- †Megalancosaurus preonensis Calzavara et al., 1980
Reference(s):
- Bulanov, V.V., & Sennikov, A.G. 2006: The first gliding reptiles from the Upper Permian of Russia.
–Paleontological Journal: Vol. 40, supplement #5, pp. S567-S570 [doi:10.1134/S0031030106110037] - Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L. 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698 - Colbert, E. H. & Olsen, P. E., 2001: A new and unusual aquatic reptile from the Lockatong Formation of New Jersey (Late Triassic, Newark Supergroup).
–American Museum Novitates: #3334, pp. 1-24 - Frey, E., Sues, H.-D. & Munk, W., 1997: Gliding mechanism in the Late Permian reptile Coelurosauravus.
–Science: Vol. 275, 7 March, pp. 1450-1452 - Gao, K. & Fox, C., 1998: New choristoderes (Reptilia: Diapsida) from the Upper Cretaceous and Palaeocene, Alberta and Saskatchewan, Canada, and phylogenetic relationships of Choristodera.
–Zoological Journal of the Linnean Society: vol. 124, #4, pp. 303-353 - Gow, C. E., 1999: The Triassic reptile Palacrodon browni Broom, synonymy and a new speciment.
–Paleontologica Africana: Vol. 35, pp. 21-23 - Harris, J. D. & Downs, A., 2002: A drepanosaurid pectoral girdle from the Ghost Ranch (Whitaker) Coelophysis quarry (Chinle Group, Rock Point Formation, Rhaetian), New Mexico.
–Journal of Vertebrate Paleontology: Vol. 22, #1, pp. 70-75 - Motani, R., 2000: Is Omphalosaurus ichthyopterygian? - A phylogenetic perspective.
–Journal Of Vertebrate Paleontology: Vol. 20, #2, pp. 295-301 - Renesto, S., 1994: Megalancosaurus, a possibly arboreal archosauromorph (Reptilia) from the Upper Triassic of northern Italy.
–Journal of Vertebrate Paleontology: Vol. 14, #1, pp. 38-52 - Santer, P. M. & Faber, C., 2003: The marine reptile Omphalosaurus: osteology, jaw anatomy, and evidence for ichthyosaurian affinities.
–Journal of Vertebrate Paleontology: Vol. 23, #4, pp. 799-816 - Senter, P., 2004: Phylogeny of Drepanosauridae (Reptilia: Diapsida).
–Journal of Systematic Palaeontology: Vol. 2, #3, pp. 257-268
[currently from iNet abstract]