Author: Garman, 1884
Diagnostic Features:
Body slender and eel-like, with prominent keels on abdomen. Head with 6 pairs of gill slits, the lower ends of the first gill slits connected to each other across throat; snout extremely short, truncated; mouth terminal on head, very long; teeth alike in upper and lower jaws, with three strong cusps and a pair of intermediate cusplets, not saw or bladelike, posterior teeth not minute and granular. Anal fin large, larger than dorsal fin; caudal fin without a subterminal notch.