Japan, off Kanagawa prefecture to off Mie prefecture,  [details]

authors: "named after the type locality (Asamushi). The specific name is an adjective." [details]

authors: "after Dr. Minoru Imajima. [...] The specific name is a noun in the genitive case." [details]

authors: "named after Mr. Mamoru Sekifuji, the Captain of the research boat Rinkai-maru at Misaki Marine Biological ... [details]

authors: "named after Prof. Susumu Ohtsuka who organized the research cruise of the R/V Toyoshio-maru at the type ... [details]

authors: "named after the R/V Seisui-maru. The type specimens from Kumano-nada were collected by the gear of the ... [details]

authors: "The specific name is an adjective, after the type locality (Tohoku)." [details]

authors: "named after the R/V Toyoshio-maru. The type specimens from Hibiki-nada were collected by the gear of R/V ... [details]

Asamushi, Aomori Bay, N. Honshu, Japan, 40.9034°, 140.8549° (40° 54.205′ N 140° 51.2966′ E) 2–3 m [details]

offshore off Otsuchi, E. Honshu, Japan, 37.4982°, 141.5742° (37°29.8919′ N 141°34.4524′ E), 215 m [details]

Sagami Bay, off Moroiso, E Honshu, Japan, 35.1513°, 139.5813° (35°09.079′ N, 139°34.880′ E), 77–78 m [details]

Hibiki-nada Sea, W. Japan, 34.1612°, 130.8013° (34°09.670′ N 130°48.079′ E), 62 m [details]

Kumano-nada, E. Honshu, 34.1013°, 136.6012° (34°06.076' N, 136°36.071' E), 339–362 m [details]

off Otsuchi, E Honshu, 37.5004°, 141.5823° (37°30.0255′ N 141°34.9390′ E) 225 m depth [details]

Hibiki-nada Sea, Japan, 34.1612°, 130.8013° (34°09.670' N 130°48.079' E), 62 m, same station as Diplocirrus ohtsukai [details]

Evidently only known from one specimen, NSMT-Pol H-635 [details]