Genus Macrosmia Merrett, Sazonov and Shcherbachev, 1983

Macrosmia Merrett, Sazonov and Shcherbachev, 1983 (type species Macrosmia phalacra Merrett, Sazonov and Shcherbachev, 1983, by original designation).

DISTINGUISHING FEATURES.— BR 7; V 11–12; pyl. caeca 15–18. Chin barbel present; spinous ray of 1D weakly serrated; anus in small periproct immediately before A; no light organ; V origin anterior to that of P; A origin below hind margin of 1D; head squamation reduced, mostly lacking on snout and underside of head, no scaled ridges on head and snout; teeth in bands in both jaws; olfactory organ massive, posterior nostril about equal to diameter of pupil, 4–5 times in HL. (Adapted from Merrett and Iwamoto 2000:767).

REMARKS.— Only the single species known. Relationships obscure, but probably most closely related to Asthenomacrurus or Pseudonezumia . Broad distribution, having been captured in the e. North Atlantic, w. South Atlantic, se. Indian Ocean, and w. Pacific Ocean.