| Hydroniscus ornatus Menzies, 1962 | 
| No Picture Available | 
| Family: | Haploniscidae () | |||
| Max. size: | ||||
| Environment: | benthic; marine; depth range 3954 - 4588 m | |||
| Distribution: | S.W. Atlantic. | |||
| Diagnosis: | ||||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
| Country info: |  | |||