Biomphalaria is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails and their allies.
Hirasea acutissima is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Endodontidae. The width of the shell is 2 mm. The height of the shell is 4 mm. H. acutissima was endemic to Haha-jima in the Ogasawara Islands, Japan, and is listed as endangered in the IUCN Red List of Threatened Species. The species is considered to be extinct by Chiba et al. (2007).
Discula is a genus of small land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae, the hairy snails and their allies.
Biomphalaria angulosa is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Biomphalaria barthi is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Biomphalaria salinarum is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Gonospira is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Streptaxidae.
Biomphalaria stanleyi is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Bulinus africanus is a species of a tropical freshwater snail with a sinistral shell, an aquatic gastropod mollusk in the family Planorbidae, the ramshorn snails and their allies.
Bulinus globosus is a species of a tropical freshwater snail with a sinistral shell, an aquatic gastropod mollusk in the family Planorbidae, the ramshorn snails and their allies.
