Otolith description

Otolith small/medium, rhomboidal. Dorsal margin gently lobed in larger specimens and crenate/lobed to irregular in smaller specimens forming noduliferous projections; ventral margin sharply angled and sinuate/irregular; posterior margin sharply rounded. Distal surface flat; proximal surface convex. Sulcus groove medium, heterosulcoid and curves slightly ventrally at posterior end; opening ostial. Ostium extends onto rostrum. Colliculum heteromorph. Collum low or absent. Crista superior ridge-like; crista inferior well developed to ridge-like along ostium. Rostrum extremely broad and rounded. Antirostrum broad but short and sharply rounded. Excisura wide; notch deep; angle acute.

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