Description

Description Teeth small, generally not exceeding 1.0 cm in overall height. Upper teeth slightly sigmoidal; lower teeth with slight lingual bend. Teeth with tall and thin cusp, with characteristically tall, erect, conical and sharply pointed lateral cusplets. Lingual face of main cusp strongly convex; labial face may be nearly flat to convex (particularly at the base). Mesial and distal cutting edges absent or restricted to the upper two-thirds of the main cusp. Lingual and labial cusp faces of anterior teeth smooth, but lateral teeth with distinct folding at labial crown foot. Anterior teeth with single pair of lateral cusplets; lateral teeth with two to three pairs of lateral cusplets. Cusplets divergent and decrease in size laterally. Root bilobate with long, thin, divergent, and rounded lobes; lobes separated by deep U-shaped interlobe area. Deep nutritive groove located on prominent lingual root protuberance.

Common Names

Taxonomic Hierarchy

Kingdom: Animalia

Phylum: Chordata

Class: Elasmobranchii

Order: Lamniformes

Family: Odontaspididae

Genus: Odontaspis

Species: Odontaspis spec Leriche, 1905