seymouriamorph

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English[edit]

Noun[edit]

seymouriamorph (plural seymouriamorphs)

  1. Any of the order †Seymouriamorpha of extinct limbed vertebrates.
    • 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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