ectopterygoid

ectopterygoid
a paired, deep, dermal bone forming part of the roof of the mouth, articulating anteriorly with the palatine, posteriorly with the quadrate and mesially with the endoptetygoid if the latter is present. In Amia it has one or two rows of teeth. Sometimes called pterygoid when there is no endopterygoid

Dictionary of ichthyology. 2009.

Игры ⚽ Поможем решить контрольную работу

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