| Heteroxenotrichula affinis (Remane, 1934) | 
| No Picture Available | 
| Family: | Xenotrichulidae () | |||
| Max. size: | ||||
| Environment: | benthic; marine | |||
| Distribution: | Northeast Atlantic, Northwest Pacific and the Mediterranean. Subtropical and Polar. | |||
| Diagnosis: | ||||
| Biology: | Found in intertidal and euryhaline areas (Ref. 3477). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
| Country info: |  | |||