Author: Regan, 1908
Diagnostic Features:
No symphyseal groove on chin; nostrils subterminal on snout and well behind snout tip; spiracles small and well behind eyes. First dorsal fin noticeably larger than second dorsal; anal origin about under midbase of second dorsal fin, anal fin insertion separated from lower caudal origin by a space about equal to the anal inner margin; caudal fin rather long, length of its dorsal margin greater than distance from snout tip to pectoral fin insertion.
Remarks:
See Bigelow and Schroeder (1948:180 ftn. 5) for a discussion of the nomenclatural history of this genus and Brachaelurus).