Author: Ogilby, 1907
Diagnostic Features:
A median symphyseal groove present on chin. Nostrils nearly terminal on snout. Spiracles large and close to eyes. First dorsal fin about as large as second dorsal. Anal origin about under insertion of second dorsal fin, anal insertion just anterior to lower caudal origin. Caudal fin short, length of its dorsal margin usually less than distance from snout tip to pectoral fin insertion.