Pseudoscopelus scutatus Krefft, 1971

Pseudoscopelus scutatus Krefft View in CoL species group

Composition. The Pseudoscopelus scutatus species group is composed of two species: P. scutatus and P. bothrorrhinos .

Diagnosis. The Pseudoscopelus scutatus species group is diagnosed from its congeners by characteristics of external morphology, osteology, and photophore pattern: snout concave, with nasals and anterior naris positioned anteriorly at tip of snout ( vs. snout convex, elongate or rounded, with nasals and anterior naris positioned in the dorsolateral part of snout); distal radials of first dorsal fin modified into plate-like structures ( vs. distal radials of first dorsal fin normal, not modified into a plate-like structure); svf present ( vs. svf absent); pf, paf, vf, and vaf absent ( vs. pf, paf, vf, and vaf present); prvf and ptvf continuous ( vs. prvf and ptvf disconnected).