| Term Name: | ectopterygoid |
|---|---|
| Synonyms: | ectopterygoids |
| Definition: | The ectopterygoid is dermal bone located at the anterior part of the palatoquadrate. It is first visible as a very thin ossification along the anteroventral border of the palatoquadrate cartilage (6.4 mm). In adults it is a long sliver of bone that is narrow anteriorly where it meets the entopterygoid in a synostosis. It is slightly wider at its posterior synostosis with the quadrate. |
| Appears at: | Unknown |
| Evident until: | Adult (90d-730d, breeding adult) |
| Ontology: | Anatomy Ontology [ZFA:0000656] |
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