Plate 1 issued from : O. Tanaka in Publs Seto Mar. Biol. Lab., 1964, XII (1). [p.49, Fig.196]. Female: a, rostrum (dorsal view); b, A2; c, mandibular palp of Md; d, masticatory edge of Md; e, Mx2; g, P5. Nota: The 1st to 4th swimming legs agree well with Sars' figures.
Plate 2 issued from : O. Tanaka & M. Omori in Publs Seto Mar. Biol. Lab., 1974, XXI (3/4). [p198., Fig.1,m]. Female (from the Izu region): m, mandibular teeth.
Plate 3 Issued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.XCVI, figs.1-15]. Female: 1, habitus (dorsal); 2, idem (lateral left side); 3, forehead (lateral); 4, rostrum; 5, A2; 6, Md; 7, Mx1; 8, endopodal part of Mx1 (enlarged); 9, Mx2; 10, Mxp; 11, P1; 12, P2; 13, P3; 14, P5; 15, anal segment and caudal rami (dorsal).
bathypelagic. Known to occur at a depth between 1000 and 1800 m (Matthews, 1972). For Itoh (1970 a, fig.2, from co-ordonates) the Itoh's index value from mandibular gnathobase = 1320.
In ''squamatus" Group after Matthews (1972, p.64) {See remarks in Euaugaptilus genus}.