Otolith description

Otolith small, oval to ovate. Dorsal margin slightly rounded, crenate; ventral margin well rounded, crenate. Sulcus groove heterosulcoid; opening ostial. Ostium larger than cauda. Colliculum heteromorph; anterior colliculum raised; posterior colliculum low, indistinct. Collum absent. Crista superior ridge-like along entire sulcus, absent at tip; crista inferior developed under ostium, well developed under cauda. Rostrum moderate, broadly rounded. Antirostrum small and rounded. Excisura moderately wide; notch shallow; angle acute. Dorsal area largely covered by shallow depression. Ventral area depression absent or indistinct.

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