Lithoglyphidae
Encyclopedia
Lithoglyphidae is a family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 of small freshwater snail
Freshwater snail
A freshwater snail is one kind of freshwater mollusc, the other kind being freshwater clams and mussels, i.e. freshwater bivalves. Specifically a freshwater snail is a gastropod that lives in a watery non-marine habitat. The majority of freshwater gastropods have a shell, with very few exceptions....

s with gills and an operculum
Operculum (gastropod)
The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...

, aquatic
Aquatic animal
An aquatic animal is an animal, either vertebrate or invertebrate, which lives in water for most or all of its life. It may breathe air or extract its oxygen from that dissolved in water through specialised organs called gills, or directly through its skin. Natural environments and the animals that...

 gastropod mollusks.

This family is in the superfamily Rissooidea
Rissooidea
Rissooidea, originally named Rissoacea by Grey, 1847, is a large taxonomic superfamily of small and minute saltwater, brackish water, freshwater, and semi-terrestrial snails which have gills and an operculum...

 and in the clade Littorinimorpha
Littorinimorpha
Littorinimorpha is a large clade of gastropods within Hypsogastropoda consisting primarily of marine species, but also aquatic and terrestrial species as well....

 (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005
Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...

).

Taxonomy

Taylor (1966), Ponder & Warén (1988) and Kabat & Hershler (1993) considered this taxon as a subfamily Lithoglyphinae within Hydrobiidae
Hydrobiidae
Hydrobiidae, common name mud snails, is a large cosmopolitan taxonomic family of very small freshwater snails and brackish water snails that have an operculum, aquatic gastropod mollusks in the clade Littorinimorpha.- Distribution :...

. Radoman (1983) considered Lithoglyphidae as a separate family. Bernasconi (1992) considered this taxon as a tribe Lithoglyphini in the Hydrobiinae within Hydrobiidae.

2005 taxonomy

The family Lithoglyphidae consists of 2 subfamilies according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005
Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...

. It follows Wilke et al. (2001), Hausdorf et al. (2003) and includes Lepyriidae according to Thompson (1984).
  • subfamily Lithoglyphinae Tryon, 1866 - synonyms: Fluminicolinae Clessin, 1880; Lepyriidae Pilsbry & Olsson, 1951
  • subfamily Benedictiinae Clessin, 1880

Genera

Genera within the family Lithoglyphidae include:

subfamily Lithoglyphinae
  • Clappia
    Clappia
    Clappia is a genus of small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Lithoglyphidae.Generic name Clappia is in honor of malacologist George Hubbard Clapp.-Species:...

    Walker, 1909
  • Fluminicola Stimpson, 1865
  • Gillia Stimpson, 1865 - with the only species Gillia altilis
    Gillia altilis
    Gillia altilis, common name the Buffalo pebblesnail, is a species of freshwater snail, an aquatic gastropod mollusk with an operculum in the family Lithoglyphidae.Gillia altilis is the only species in the genus Gillia....

    (I. Lea, 1841)
  • Lepyrium Dall, 1896 - with the only species Lepyrium showalteri (I. Lea, 1861) - Flat pebblesnail
    Flat pebblesnail
    The flat pebblesnail, scientific name Lepyrium showalteri, is a species of freshwater snail, an aquatic gastropod mollusk in the family Lithoglyphidae.This species is endemic to the United States...

  • Lithoglyphus
    Lithoglyphus
    Lithoglyphus is a genus of freshwater snails with gills and an operculum, a gastropod mollusk in the family Lithoglyphidae.- Taxonomy :Lithoglyphus is the type genus of the family Lithoglyphidae....

    Menke, 1830 - type genus of the family Lithoglyphidae
  • Shadinia Akramowski, 1976
  • Somatogyrus
    Somatogyrus
    Somatogyrus is a genus of very small freshwater and brackish water snails that have an operculum, aquatic gastropod mollusks in the family Hydrobiidae.-Species:Species within the genus Somatogyrus include:...

    Gill, 1863
  • Tanousia
    Tanousia
    Tanousia is an extinct genus of freshwater snails with gills and an operculum, a gastropod mollusk in the family Lithoglyphidae.- Species :Species within the genus Tanousia include:* Tanousia arminiensis...

    Servain, 1881


subfamily Benedictiinae
  • Benedictia
    Benedictia
    Benedictia is a genus of freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Lithoglyphidae.Benedictia is the type genus of the subfamily Benedictiinae.-Species:...

    W. Dybowski, 1875 - type genus of the subfamily Benedictiinae
  • Kobeltocochlea Lindholm, 1909
  • Pseudobenedictia Sitnikova, 1987 - with the only species Pseudobenedictia michnoi (Lindholm, 1929)
  • Yaroslawiella Sitnikova, 2001 - with the only species Yaroslawiella eximia Sitnikova, 2001


subfamily ?
  • Antrorbis Hershler & Thompson, 1990 - with the only species Antrorbis breweri Hershler & Thompson, 1990 - Manitou cavesnail
  • Holsingeria Hershler, 1989
  • Phreatodrobia
    Phreatodrobia
    Phreatodrobia is a genus of very small or minute freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Lithoglyphidae....

    Hershler & Longley, 1986
  • Potamolithus
    Potamolithus
    Potamolithus is a genus of small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Lithoglyphidae.Potamolithus was traditionally classified within the Hydrobiidae...

    Pilsbry, 1896
  • Pterides Pilsbry, 1909
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