Chilonopsis is an extinct genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Achatinidae. All species were found on Saint Helena
†Chilonopsis exulatus was a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae. This species was endemic to Saint Helena. It is now extinct.
Chilonopsis helena is an extinct species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae. This species was endemic to Saint Helena. It is now extinct.
†Chilonopsis melanoides was a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae. This species was endemic to Saint Helena. It is now extinct.
Chilonopsis nonpareil is an extinct species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae. This species was endemic to Saint Helena. It is now extinct and was last seen in 1870.
Chilonopsis subplicatus was a species of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Achatinidae. This species was endemic to Saint Helena. It is now extinct.
Chilonopsis subtruncatus was a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae.
Euonyma curtissima is a species of small tropical air-breathing land snail, terrestrial pulmonate gastropod mollusk in the family Achatinidae. This species is endemic to Kenya.
Hypolysia connollyana is a species of small tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae. This species is endemic to Tanzania.
Hypolysia usambarica is a species of small tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae. This species is endemic to Tanzania.
Leptinaria strebeliana is a species of small tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae.
Nesopupa is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Nesopupinae of the family Vertiginidae.
Nesopupa turtoni is a species of very small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Vertiginidae, the whorl snails. This species is Endemic to Saint Helena island; it was thought to be extinct until its rediscovery in 2003.
Subulina usambarica is a species of small, tropical, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinidae.
Subuliniscus arambourgi is a species of small, tropical, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinidae. This species is endemic to Kenya.
Thyrophorella is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae.
Unio turtoni is a species of medium-sized freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Trukrhysa is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Chronidae. It is monotypic, being represented by the single species Trukrhysa pachystoma which is endemic to the Caroline Islands, Micronesia.
