Otolith description

Otolith small, oblong. Dorsal margin crenate/ irregular; ventral margin rounded and crenate; posterior margin blunt and irregular. Distal surface flat/concave; proximal surface convex. Sulcus groove medium, heterosulcoid; opening ostial. Colliculum heteromorph. Crista superior poorly developed, over cauda only; crista inferior ridge-like. Rostrum large and broad. Excisura wide; notch shallow; angle wide. Primordium lateral.

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