Dermal bone that is part of the opercular flap and bears the preopercular sensory canal. The preopercle is a paired bone and typically L-shaped, with the horizontal limb overlying the interopercle and the vertical limb overlying the opercle. [ ORCiD:0000-0001-9114-8737 GOC:mh ]

Synonyms: preopercles

This is just here as a test because I lose it