Otolith description

Otolith medium, obovate/square. Dorsal margin slightly rounded and crenate; ventral margin straight and entire; posterior margin straight with slight crena-tion. Distal surface convex; proximal surface flat/ convex. Sulcus groove shallow, heterosulcoid; opening mesial. Colliculum heteromorph. Collum absent. Crista superior well developed over neck and cauda; crista inferior poorly developed throughout. Rostrum, antirostrum and excisura absent. Dorsal area depression shallow, irregular. Ventral area depression absent. Primordium lateral.

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