Otolith description

Otolith small, ovate/fusiform, rounded posteriorly and pointed anteriorly. Dorsal margin raised and rounded with lobed and irregular sculpturing; ventral margin rounded and irregular to crenate; posterior margin blunt and lobed to irregular. Distal surface concave; proximal surface flat/convex. Sulcus groove heterosulcoid; opening ostial. Ostium extends onto rostrum. Cauda extends ventrally. Colliculum homo-morph with posterior colliculum only. Collum absent. Crista superior rounded and more developed over cauda; crista inferior rounded. Rostrum distinctly elongate, spear-like and pointed (Smale et al. 1995). Antirostrum small, varying from blunt to hook-like. Excisura wide; notch shallow; angle acute to wide. Dorsal area depression very shallow, small. Ventral area depression absent; area may be noduliferous. Primordium central.

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