Třída: Actinopterygii - paprskoploutví
Řád: Stomiiformes - velkoústí
Čeleď: Phosichthyidae - světelníkovití

Synonyma: Polymetme blackfordi (Goode & Bean, 1896); Varrela blackfordi Goode & Bean, 1896; Yarella blackfordi Goode & Bean, 1896.

Typová lokalita: Mexický záliv, 29°03'15"N, 88°16'W, Albatross station 2376, hloubka 324 sáhů.

Reference: Goode, G. B. & T. H. Bean. 1896. Oceanic ichthyology, a treatise on the deep-sea and pelagic fishes of the world, based chiefly upon the collections made by the steamers Blake, Albatross, and Fish Hawk in the northwestern Atlantic, with an atlas containing 417 figures. Spec. Bull. U. S. Natl. Museum No. 2: Text: i-xxxv + 1-26 + 1-553, Atlas: i-xxiii, 1-26, 123 pls.