Turricaspia
Encyclopedia
Turricaspia is a genus
of aquatic snails which includes marine snails, brackish water
snails and freshwater snail
s which all have a gill
and an operculum
, aquatic
gastropod mollusks in the family Hydrobiidae
. Turricaspia is the type genus of the Turricaspiinae, which is a synonym of Pyrgulinae.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of aquatic snails which includes marine snails, brackish water
Brackish water
Brackish water is water that has more salinity than fresh water, but not as much as seawater. It may result from mixing of seawater with fresh water, as in estuaries, or it may occur in brackish fossil aquifers. The word comes from the Middle Dutch root "brak," meaning "salty"...
snails and 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 which all have a gill
Gill
A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water, afterward excreting carbon dioxide. The gills of some species such as hermit crabs have adapted to allow respiration on land provided they are kept moist...
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 in the family 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 :...
. Turricaspia is the type genus of the Turricaspiinae, which is a synonym of Pyrgulinae.
Species
Species within the genus Turricaspia include:- Turricaspia andrussowi (B. Dybowski & Grochmalicki, 1915) - marine
- Turricaspia astrachanica (Pirogov, 1971) - freshwater
- Turricaspia bogatscheviana (Logvinenko & Starobogatov, 1968) - marine
- Turricaspia bogensis (Dubois in Küster, 1852) - brackish and marine
- Turricaspia boltovskoji (Golikov & Starobogatov, 1966) - brackish
- Turricaspia borceana (Golikov & Starobogatov, 1966) - marine
- Turricaspia caspia (Eichwald, 1838) - marine
- Turricaspia chersonica Alexenko & Starobogatov, 1987 - freshwater
- Turricaspia conus (Eichwald, 1838)
- Turricaspia conus conus (Eichwald, 1838) - marine
- Turricaspia conus lindholmiana (Golikov et Starobogatov, 1966) - marine and brackish
- Turricaspia crimeana (Golikov & Starobogatov, 1966) - marine
- Turricaspia dagestanica (Logvinenko & Starobogatov, 1968) - marine
- Turricaspia derbentina (Logvinenko & Starobogatov, 1968) - marine
- Turricaspia eburnea (Logvinenko & Starobogatov, 1968) - marine
- Turricaspia elegantula (Clessin & W. Dybowski in W. Dybowski, 1888) - marine
- Turricaspia iljinae (Golikov & Starobogatov, 1966) - marine
- Turricaspia ismailensis (Golikov & Starobogatov, 1966) - freshwater
- Turricaspia lirata (B. Dybowski & J. Grochmalicki, 1915)
- Turricaspia lirata marisnigri Starobogatov in Alexenko et Starobogatov, 1987 - marine
- Turricaspia martensii (Clessin & W. Dybowski in W. Dybowski, 1888) - freshwater and brackish
- Turricaspia meneghiniana (Issel, 1865) - marine
- Turricaspia nevesskae (Golikov & Starobogatov, 1966) - marine
- Turricaspia ovum Logvinenko & Starobogatov, 1968 - marine
- Turricaspia pullula (B. Dybowski & Grochmalicki, 1915) - marine
- Turricaspia sajenkovae (Logvinenko & Starobogatov, 1968) - marine and brackish
- Turricaspia spasskii (Logvinenko & Starobogatov, 1968) - marine
- Turricaspia spica (Eichwald, 1855) - marine and brackish
- Turricaspia triton (Eichwald, 1838) - marine and brackish
- Turricaspia trivialis (Logvinenko & Starobogatov, 1968) - marine
- Turricaspia turricula (Clessin et W. Dybowski in W. Dybowski, 1888) - type species, marine
- Turricaspia variabilis (Eichwald, 1838) - brackish and freshwater
- Turricaspia vinogradovi (Logvinenko & Starobogatov, 1968) - marine and brackish