Otolith description

Otolith very small, ovate. Dorsal margin slightly lobed; ventral margin entire to sinuate; posterior margin rounded and lobed to sinuate. Sulcus groove heterosul-coid; opening ostio-caudal. Cauda larger than ostium. Colliculum indistinct. Collum indistinct. Crista superior extends onto rostrum; crista inferior distinct and ridge-like. Rostrum broad, short and pointed. Antirostrum varied and may be absent, rounded or notched. Excisura wide to absent. Dorsal area usually indistinct, but when present irregular and shallow with narrow depression above central crista region. Ventral area depression absent; area slightly raised, rounded.

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