Dictionary of Ichthyology |
subopercle = the paired dermal bone lying below the opercle in the gill cover. Also called subopercular and suboperculum. |
Hyoid and opercular apparatus of Gadus, B = branchiostegals, E = os entoglossum, H = hyoid, HM = hyomandibula, I = interoperculum, O = operculum, P = preoperculum, S = suboperculum, from Kingsley's "Textbook of Vertebrate Zoology, 1906. Photograph by Brian W. Coad. |