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

Author's note: these pages were written some years ago. I am not planning to update them. For a more current coverage, see the Palaeos website (to which many links on these pages point to anyway. More info here

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

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