The Collaborative International Dictionary of English v.0.48:
Mustelus \Mustelus\ prop. n. A genus of sharks including certain of the smooth dogfishes. Syn: genus Mustelus. [WordNet 1.5]WordNet (r) 3.0 (2006):
Mustelus n 1: smooth dogfishes [syn: Mustelus, genus Mustelus]