Otolith description

Otolith large, ovate. Dorsal margin lobed; ventral margin dentate grading to lobed along postero-ventral margin, which may appear notched; posterior margin bulbous. Sulcus groove heterosulcoid; opening ostial. Cauda longer and deeper than ostium. Cauda with postero-ventral angle, which may extend via a groove into ventral margin indentation. Colliculum hetero-morph; anterior colliculum more prominent than posterior colliculum. Crista superior and crista inferior ridge-like extending along entire sulcus. Rostrum short, broad and rounded. Antirostrum absent. Excisura present;angle wide. Dorsal area depression centrally above crista, area noduliferous. Ventral area depression absent.

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