''Ancylastrum'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of air-breathing

freshwater limpet Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs ...

s, aquatic

pulmonate Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

s in the family

Planorbidae Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod molluscs. Unlike most molluscs, the blood of ram's horn snails contains iron-based hemoglobin instea ...

, the ram's horn snails and their allies.

Species

The genus ''Ancylastrum'' includes the following species: * ''Ancylastrum cumingianus'' (Bourguignat, 1853) - Australian freshwater limpet ;Species inquirenda: * '' Ancylastrum dextrorsum'' Clessin, 1907 * '' Ancylastrum issykulense'' Clessin, 1907 * '' Ancylastrum ovatum'' Clessin, 1907 * '' Ancylastrum turkestanicum'' Clessin, 1907

References

Acroloxidae Taxonomy articles created by Polbot {{Heterobranchia-stub