basibranchial copula
fused basibranchials in Elasmobranchii

Dictionary of ichthyology. 2009.

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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

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