| Antennuloniscus quadratus Menzies & Schultz, 1968 | 
| No Picture Available | 
| Family: | Haploniscidae () | |||
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| Environment: | benthic; marine; depth range 2270 - 2270 m | |||
| Distribution: | Western Indian Ocean: Madagascar. | |||
| Diagnosis: | ||||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
| Country info: |  | |||