Kingdom Animalia Class Gastropoda Family Charopidae Scientific name Helenodiscus vernoni | Phylum Mollusca Superfamily Punctoidea Genus Helenodiscus Rank Species | |
†Helenodiscus vernoni was a species of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Charopidae.
This species was endemic to Saint Helena. It is now extinct.
References
Helenodiscus vernoni Wikipedia(Text) CC BY-SA