''Helicodiscus'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of air-breathing
land snails,
terrestrial
Terrestrial refers to things related to land or the planet Earth.
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 or near the ground, as opposed to ...
pulmonate gastropod 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 es ...
s in the family
Helicodiscidae
Helicodiscidae is a family of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Punctoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Genera
Genera within the family ...
.
Species
Species within the genus ''Helicodiscus'' include:
* ''
Helicodiscus diadema
''Helicodiscus diadema'', common name the shaggy coil, is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicodiscidae.
Distribution
This species is found only in one small part of the stat ...
''
* ''
Helicodiscus eigenmanni
''Helicodiscus'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Helicodiscidae.
Species
Species within the genus ''Helicodiscus'' include:
* '' Helicodiscus diadema''
* '' Helicodiscus eigenmann ...
'' (Chamberlin and Berry, 1929) - Mexican coil
* ''
Helicodiscus hexodon
''Helicodiscus hexodon'', common name the toothy coil snail, is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicodiscidae.
Distribution
This species is found only in the United States
...
''
* ''
Helicodiscus parallelus
''Helicodiscus parallelus'', common name the compound coil, is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicodiscidae.
''Helicodiscus parallelus'' is the type species of the genus ' ...
'' - the
type species
In 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 species that contains the biological type specimen( ...
References
Helicodiscidae
Taxonomy articles created by Polbot
{{Helicodiscidae-stub