basibranchial copula
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basibranchial — one of the deep median bones at the base of the gill arches below the hypobranchials. May occur on arches 1, 2, 3, 4, the last being cartilaginous. The dermal plates bearing teeth and associated with the basibranchials are a separate structure.… … Dictionary of ichthyology
os basibranchiale — (plural ossa basibranchialia)) basibranchial (one of the deep median bones at the base of the gill arches below the hypobranchials. May occur on arches 1, 2, 3, 4, the last being cartilaginous. The dermal plates bearing teeth and associated with… … Dictionary of ichthyology
