Fontigentidae is a

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

of small

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 Aquatic means relating to water; living in or near water or taking place in water; does not include groundwater, as "aquatic" implies an environment where plants and animals live. Aquatic(s) may also refer to: * Aquatic animal, either vertebrate ...

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 superfamily

Truncatelloidea Truncatelloidea is a family (biology), superfamily of snails, gastropod mollusc, mollusks in the clade Caenogastropoda.Bouchet, P. (2013). ''Truncatelloidea''. Retrieved through: World Register of Marine Species at http://www.marinespecies.org/a ...

. MolluscaBase eds. (2025). MolluscaBase. Fontigentidae D. W. Taylor, 1966. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1057169 on 2025-01-22

Genera

* ''

Fontigens ''Fontigens'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or A ...

'' Pilsbry, 1933 ;Synonyms: * ''Stimpsonia'' Clessin, 1878: synonym of ''Fontigens'' Pilsbry, 1933 (invalid: junior homonym of ''Stimpsonia'' Girard, 1853; ''Fontigens'' is a replacement name)

References

External links

* * Truncatelloidea Gastropod families {{Truncatelloidea-stub