''Lyogyrus'' is a
genus of very small
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 a
gill and 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 ...
mollusks in the
family Hydrobiidae.
Species
Species within the genus ''Lyogyrus'' include:
* ''
Lyogyrus granum
''Lyogyrus granum'', common name the squat duskysnail, is a species of very small or minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.
Distribution and conservation status
This spec ...
''
* ''
Lyogyrus greggi
''Lyogyrus'' is a genus of very small freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Hydrobiidae
Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater ...
'' (Hershler, date unknown) - Rocky Mountain duskysnail
References
Nomenclator Zoologicus info
Hydrobiidae
{{Hydrobiidae-stub