| Sagaminopteron ornatum Tokioka & Baba, 1964 Ornate batwing slug | 
| No Picture Available | 
| Family: | Gastropteridae () | |||
| Max. size: | 2 cm TL (male/unsexed) | |||
| Environment: | benthic; marine; depth range 0 - 25 m | |||
| Distribution: | Indo-Pacific: Japan to Australia. Tropical and temperate climates. | |||
| Diagnosis: | ||||
| Biology: | Assumed maximum length from Ref. 844. Often associated with cup sponges (Ref. 844). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | harmless | |||
| Country info: |  | |||