#seymouriamorpha

Seymouriamorpha

Extinct order of tetrapodomorphs

Seymouriamorpha were a small but widespread group of limbed vertebrates (tetrapods). They have long been considered stem-amniotes (reptiliomorphs), and most paleontologists still accept this point of view, but some analyses suggest that seymouriamorphs are stem-tetrapods.

Wed 3rd

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