pharyngobranchial
Ichthyol.
noun
A bone at the dorsal end of a gill bar in many fishes.
adjective
Of or relating to the pharynx and branchial structures; specifically designating a bone at the dorsal end of a gill bar in many fishes.
Origin
Mid 19th century; earliest use found in Richard Owen (1804–1892), comparative anatomist and palaeontologist.