| Term Name: | basibranchial 4 |
|---|---|
| Synonyms: | |
| Definition: | Occasionally, a fourth basibranchial ossifies in the narrow copula 2 cartilage, which lies posterior to the third basibranchial and anterior to the anteromedial articulation of the fifth ceratobranchials. |
| Appears at: | Larval:Days 21-29 (21d-30d, 7.8mm, 10 teeth) |
| Evident until: | Adult (90d-730d, breeding adult) |
| Ontology: | Anatomy Ontology [ZFA:0001226] |
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