''Fontigens'' 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 minute
freshwater snail
Freshwater snails are gastropod mollusks which 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 ...
s with an
operculum,
aquatic 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 ...
mollusc
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 esti ...
s or
micromollusc
A micromollusk is a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also r ...
s in the
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
Hydrobiidae
Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum; they are in the order Littorinimorpha.
Distribution
Hydrobiidae are found in much of the world, ...
.
Species
Species within the genus ''Fontigens'' include:
*''
Fontigens aldrichi''
*''
Fontigens antroecetes''
*''
Fontigens binneyana''
*''
Fontigens bottimeri''
*''
Fontigens cryptica''
*''
Fontigens holsingeri''
Hubricht, 1976 -
Tapered cavesnail
*''
Fontigens morrisoni''
*''
Fontigens nickliniana''
*''
Fontigens orolibas''
*''
Fontigens proserpina''
*''
Fontigens tartarea''
*''
Fontigens turritella''
Hubricht, 1976 -
Greenbrier cavesnail
References
[Animal Diversity Web, Fontigens Classification]
Hydrobiidae
Taxonomy articles created by Polbot
{{Hydrobiidae-stub