†Helenoconcha polyodon was a species of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Charopidae.
| Helenoconcha polyodon | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Charopidae |
| Genus: | Helenoconcha |
| Species: | †H. polyodon
|
| Binomial name | |
| †Helenoconcha polyodon Sowerby, 1844
| |
This species was endemic to Saint Helena. It is now extinct.
References edit
- ^ Mollusc Specialist Group (1996). "Helenoconcha polyodon". IUCN Red List of Threatened Species. 1996: e.T9767A13014801. doi:10.2305/IUCN.UK.1996.RLTS.T9767A13014801.en. Retrieved 14 November 2021.