Otolith description

Otolith small, broad hour-glass shaped. Dorsal margin entire; ventral margin entire. Sulcus groove homosul-coid; opening ostio-caudal. Ostium and cauda similar in size and both deep. Colliculum present. Collum raised and broad with deep central pit. Crista superior distinct; crista inferior poorly developed. Rostrum stout, broad and rounded. Antirostrum similar, but more pointed. Pseudo-rostrum and pseudo-antiros-trum smaller than rostrum and antirostrum, respectively, but similar in shape. Excisura deep,angle acute. Pseudo-excisura not as deep and with more acute angle. Ventral area groove present.

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