| Reference no. | Baba, K., 1977 |
| Ecosystem | Temperate Northern Pacific |
| Status | native |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | Type locality, off Omae-zaki, Honshu, Japan, 30 m, USNM 150307 (holotype of Uroptychus benedicti, male) (Ref. 78402). O: Ref. 78402. |