seymouriamorph

名词 n.

英文释义

名词 n.
  1. Any of the order †Seymouriamorpha of extinct limbed vertebrates.
    — 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.

词形变化

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