seymouriamorph
English
Noun
seymouriamorph (plural seymouriamorphs)
- Any extinct limbed vertebrate of the order Seymouriamorpha.
- 2012, Jennifer A. Clack, Gaining Ground, Second Edition: The Origin and Evolution of Tetrapods:
- The seymouriamorphs also share with anthracosaurs a palatal structure that, like those of very early tetrapods, is closed—that is to say, it lacks the palatal vacuities of temnospondyls.
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