''Hemphillia'' 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 land

slug Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc. The word ''slug'' is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a smal ...

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 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

Arionidae Arionidae, common name the "roundback slugs" or "round back slugs" are a taxonomic family of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the superfamily Arionoidea. Distribution The distribution of this family of slug ...

, the roundback slugs. The generic name ''Hemphillia'' is in honor of an American malacologist Henry Hemphill (1830–1914). At least some species of this genus are known as jumping slugs due to their behavior when threatened. At such times, they "jump" by coiling up and straightening out repeatedly in rapid succession.

Species

Species in the genus ''Hemphillia'' include:COSEWIC (2003). COSEWIC assessment and status report on the dromedary jumping-slug ''Hemphillia dromedarius'' in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. vi + 21 pp. http://www.sararegistry.gc.ca/virtual_sara/files/cosewic/sr_dromedary_jumping_slug_e.pdf * '' Hemphillia burringtoni'' * '' Hemphillia camelus'' * '' Hemphillia danielsi'' * '' Hemphillia dromedarius'' * '' Hemphillia glandulosa'' - 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 ...

* '' Hemphillia malonei'' * '' Hemphillia pantherina'' * '' Hemphillia skadei''

References

Arionidae {{Arionidae-stub