Pseudoscopelus scutatus Krefft, 1971

Melo, Marcelo R. S., 2019, A revision of the genus Pseudoscopelus Lütken (Chiasmodontidae: Acanthomorphata) with descriptions of three new species 2710, Zootaxa 2710 (1), pp. 1-78 : 44

Pseudoscopelus scutatus Krefft 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).