A sketch classification of the Pre-Jurassic tetrapod vertebrates

D. M. S. Watson

1917

Article

Proceedings of the Zoological Society of London 1917:167-186

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Taxa discussed in this work:

• Erpetosuchidae
• Erythrosuchidae
• Howesiidae

Taxonomy:

• Aetosauridae belongs to Thecodontia - Watson (1917)
• Phytosaurus belongs to Phytosauridae - Watson (1917)