''Phreatodrobia'' 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 very small or minute

freshwater snail Freshwater snails are gastropod mollusks that 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 t ...

s with a

gill A gill () is a respiration organ, respiratory organ that many aquatic ecosystem, aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow r ...

and an operculum, aquatic

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

Lithoglyphidae Lithoglyphidae is a family of small freshwater snails with gills and an operculum, aquatic gastropod mollusks. This family is in the superfamily Truncatelloidea and in the clade Littorinimorpha (according to the taxonomy of the Gastropoda by ...

.Hershler R. & Thompson F. G. (1990). "''Antrorbis breweri'', a new genus and species of hydrobiid cavesnail (Gastropoda) from Coosa River Basin, northeastern Alabama". ''

Proceedings of the Biological Society of Washington In academia and librarianship, conference proceedings are a collection of academic papers published in the context of an academic conference or workshop. Conference proceedings typically contain the contributions made by researchers at the confere ...

'' 103(l): 197-204
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The generic name ''Phreatodrobia'' is derived from the

Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...

word " phreatos" which means

ground water Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in the fractures of rock formations. About 30 percent of all readily available fresh water in the world is groundwater. A unit of rock or an unconsolidat ...

, as in

phreatic ''Phreatic'' is a term used in hydrology to refer to aquifers, in speleology to refer to cave passages, and in volcanology to refer to a type of volcanic eruption. Hydrology The term phreatic (the word originates from the Greek , meaning "well" ...

, and from the suffix ''-drobia'' based on family name

Hydrobiidae Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum, in the order Littorinimorpha.MolluscaBase eds. (2024). MolluscaBase. Hydrobiidae W. Stimpson, 1865. ...

(where it was originally classified), which means "living in water".

Species

Species within the genus ''Phreatodrobia'' include: * '' Phreatodrobia conica'' Hershler & Longley, 1986 * '' Phreatodrobia coronae'' Hershler, 1987Hershler & Longley (1987). "Phreatodrobia coronae, a New Species of Cave Snail from Southwestern Texas". ''

The Nautilus ''Nautilus'' is the fictional submarine belonging to Captain Nemo featured in Jules Verne's novels ''Twenty Thousand Leagues Under the Seas'' (1870) and '' The Mysterious Island'' (1875). Description ''Nautilus'' is described by Verne as ...

'' 101(3)
133
139. * '' Phreatodrobia imitata'' Hershler & Longley, 1986 - mimic cavesnail * '' Phreatodrobia micra'' (Pilsbry & Ferriss, 1906) - type species * '' Phreatodrobia nugax'' (Pilsbry & Ferriss, 1906) ** ''Phreatodrobia nugax inclinata'' Hershler & Longley, 1986 * '' Phreatodrobia plana'' Hershler & Longley, 1986 * '' Phreatodrobia punctata'' Hershler & Longley, 1986 * '' Phreatodrobia rotunda'' Hershler & Longley, 1986

References

Lithoglyphidae Taxonomy articles created by Polbot {{Lithoglyphidae-stub