Dictionary of Ichthyology  

dermentoglossum = lingual plate (a dermal toothed bone covering and sometimes fusing with the basihyal, e.g. in Osteoglossidae. Also called glossohyal, entoglossum, os entoglossum, supralingual or basihyal dental plate).

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.....more

Canadian Museum of Nature