''Helicodiscus'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of air-breathing

land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial molluscs, terrestrial gastropod mollusks that have gastropod shell, shel ...

terrestrial Terrestrial refers to things related to land or the planet Earth, as opposed to extraterrestrial. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on o ...

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 inclu ...

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s in the family

Helicodiscidae Helicodiscidae is a family (biology), family of small air-breathing land snails, terrestrial molluscs, terrestrial pulmonate gastropod mollusks in the superfamily Punctoidea (according to the Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005), ...

Species

Species within the genus ''Helicodiscus'' include: * '' Helicodiscus diadema'' * '' Helicodiscus eigenmanni'' (Chamberlin and Berry, 1929) - Mexican coil * '' Helicodiscus hexodon'' * ''

Helicodiscus parallelus ''Helicodiscus parallelus'', common name the compound coil, is a species of small air-breathing land snail, a terrestrial molluscs, terrestrial pulmonate gastropod mollusk in the family Helicodiscidae. ''Helicodiscus parallelus'' is the type spe ...

'' - the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

References

Helicodiscidae Taxonomy articles created by Polbot {{Helicodiscidae-stub