Species that contain: Icelus and uncinalis and crassus [ 1 ] records

crassus, Icelus uncinalis Andriashev [A. P.] 1937:265, Pl. 5 (fig. 2) [Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Tiere (Jena) v. 69 (no. 4); ref. 15267] Penzhina Bay, northeastern Sakhalin Island, Okhotsk Sea. Syntypes: ZIN 21900 (1), 21905 (6), 21910 (2), 25281 (1). "Typus" given on caption to Pl. 5 but specimen not distinguished in text. •Synonym in part of Icelus bicornis (Reinhardt 1840) -- (Nelson 1984:42 [ref. 5391]). •Synonym in part of Icelus ochotensis Schmidt 1927 -- (Nelson 1984:50 [ref. 5391], Sheiko & Fedorov 2000:28 [ref. 25650], Parin et al. 2002:S78 [ref. 28300]). •Synonym in part of Icelus spatula Gilbert & Burke 1912 -- (Sheiko & Fedorov 2000:28 [ref. 25650]). •Synonym of Icelus ochotensis Schmidt 1927 -- (Parin et al. 2014:255 [ref. 33547]). Current status: Synonym of Icelus ochotensis Schmidt 1927. Psychrolutidae: Icelinae. Habitat: marine.