tympanal

Same as tympanic.

The posterior one of the pterygoid bones in fishes: it is usually between the hyomandibular and the mesopterygoid: same as metapterygoid, 2.

The upper anterior bone of the gill-cover in fishes: not homologous with the bone called tympanal by Cuvier: Same as præoperculum, 2.

Tympanic.

tympanic