M.J. Benton and J.M. Clark 1988 "Archosaur phylogeny and the relationships of the Crocodilia" in MJ Benton (ed.), The Phylogeny and Classification of the Tetrapods 1:295-338. Oxford, The Systematics Association

Sereno, P. C, 1991, "Basal archosaurs: phylogenetic relqtionships and functional implications, J. Vert. Paleont. 11 (suppl. to no.4) 1-53

Family Proterosuchidae	Family Erythosuchidae	Family Proterochampsidae	Family Euparkeriidae
primitive semi-aquatic ancestral forms - transitional between Thecodontia and Protorosauria.  Pangean distribution	large to very large semi-aquatic carnivores Pangean distribution	medium-sized semi-aquatic carnivores, limited to Western Gondwanaland	small active terrestrial forms, ancestral to all higher Archosaurs

Palaeos Page (incorporates some of this material, plus a lot of additional material)

Kingdoms of Life > Animalia > Vertebrata > Tetrapoda > Reptilia/Sauropsida > Archosauria > Thecodontia

Kheper Home | Kheper Palaeo Home | Topics Index | Esotericism | Kheper Forum | News and Events | Khepershop | Search | Guestbook

Unless otherwise attributed or quoted, all text is licensed under
the Creative Commons License 1.0 and a 2.0. This licence does not cover quoted material, and images, which are copyright their respective owners.