Author: de Buen, 1959
Apristurus nasutus de Buen, 1959
Diagnosis: body moderatly slender, trunk slightly tapering toward head. Snout moderately long, broad and bell-shaped, preoral snout about 7 to 8 % of total length; posterior interbranchial septa without pleats or projecting medial lobes; mouth and labial furrows extending slightly in front of eyes; labial folds not enlarged. Interdorsal space about 1.5 times first dorsal base; first dorsal fin about as large as second, bases about equally long; origin of first dorsal about opposite pelvic midbases; pectoral inner margins long about 3/5 of pectoral bases; interspace between pectoral and pelvic bases fairly short. No dorsal crest of enlarged caudal denticles.Colour: medium brown, grey or grey-blackish, without conspicuous markings on fins. Size: to 59 cm (males).
Habitat: benthic on continental slopes between 400 and 925 m.Food: no data. Reproduction: no data.
Distribution: in the Eastern North Atlantic, there are some nominal records off Morocco, but these are uncertain. Elsewhere, Eastern Pacific off the Gulf of Panama, Equador and Central Chile (Campagno, 1984).