Viviparus
Encyclopedia
Viviparus, common name
river snails, is a genus
of large, freshwater snail
s with an operculum
, aquatic
gastropod mollusks. They are primitive members of the superorder Caenogastropoda
.
The genus is known from the Jurassic
to the recent periods.
Common name
A common name of a taxon or organism is a name in general use within a community; it is often contrasted with the scientific name for the same organism...
river snails, is a genus
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 large, 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 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. They are primitive members of the superorder Caenogastropoda
Caenogastropoda
Caenogastropoda is a taxonomic clade of a large diverse group of mostly marine gastropods.Caenogastropoda contains a majority of the families of shelled marine molluscs including such families as the periwinkles, cowries, wentletraps, moon snails, and cone snails.About 60% of all living gastropods...
.
Distribution
This genus is palaearctic in distribution.The genus is known from the Jurassic
Jurassic
The Jurassic is a geologic period and system that extends from about Mya to Mya, that is, from the end of the Triassic to the beginning of the Cretaceous. The Jurassic constitutes the middle period of the Mesozoic era, also known as the age of reptiles. The start of the period is marked by...
to the recent periods.
Species
Viviparus belongs to the subfamily Viviparinae. Its taxonomy is currently under development and many of its species are often included in other related genera. It includes the following species:- Viviparus acerosusViviparus acerosusViviparus acerosus is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Viviparidae.-Distribution:The distribution of this species is Danubian....
(Bourguignat, 1862) - Viviparus achatinoides
- Viviparus ater (de Cristofori & Jan, 1832)
- Viviparus bengalensis (Lamarck)
- Viviparus bermondianusViviparus bermondianusViviparus bermondianus is a species of a freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Ampullariidae, the apple snails.- Distribution :...
(d'Orbigny, 1842) - † Viviparus brevis Tournouer, 1876
- † Viviparus brevis trochlearis Tournouer, 1876
- † Viviparus brevis forbesi Tournouer, 1876
- † Viviparus brevis brevis Tournouer, 1876
- † Viviparus brevis carinatus Tournouer, 1876
- † Viviparus brevis gorceixi Tournouer, 1876
- Viviparus contectusViviparus contectusViviparus contectus, common name Lister's river snail, is a species of large, freshwater snail with an operculum and a gill, an aquatic gastropod mollusk in the family Viviparidae, the river snails.-Distribution:...
(Millet, 1813) - Lister's river snail - † Viviparus crytomaphora Brusina, 1874
- † Viviparus diluvianusViviparus diluvianusViviparus diluvianus is an extinct species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Viviparidae....
(Kunth, 1865) - Viviparus georgianusViviparus georgianusViviparus georgianus, common name the banded mystery snail, is a species of large freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Viviparidae.This snail is native to North America...
(I. Lea, 1834) - banded mysterysnail - † Viviparus gibbus (Sandberger, 1880)
- † Viviparus glacialisViviparus glacialis†Viviparus glacialis is an extinct species of fossil freshwater snail, an aquatic gastropod mollusks in the family Viviparidae.-Shell description:...
(S. Wood, 1872) - Viviparus goodrichi Archer, 1933 - globose mysterysnail
- Viviparus hellenicus Westerlund, 1886
- Viviparus incertus
- Viviparus intertextus (Say, 1829) - rotund mysterysnail
- Viviparus japonicus Von Martens
- † Viviparus kurdensis Lörenthey, 1894
- Viviparus limi Pilsbry, 1918 - Ochlockonee mysterysnail
- Viviparus malleatusViviparus malleatusViviparus malleatus is a species of large, freshwater snail with an operculum and a gill, an aquatic gastropod mollusk in the family Viviparidae, the river snails....
Reeve - Viviparus mamillatus (Küster, 1852)
- Viviparus monardi (Haas, 1934)
- Viviparus quadratusViviparus quadratusViviparus quadratus, is a species of freshwater snail with an operculum and a gill, an aquatic gastropod mollusk in the family Viviparidae, the river snails.- Subspecies :Subspecies within this species include:* Viviparus quadratus disparis...
Benson, 1842- Viviparus quadratus disparis
- † Viviparus sadleri Partsch, 1856
- Viviparus sphaeridius (Bourguignat, 1880)
- † Viviparus sublentus d'orbigny, 1850
- Viviparus subpurpureus (Say, 1829) - olive mysterysnail
- † Viviparus suessoniensis (DeshayesGérard Paul DeshayesGérard Paul Deshayes was a French geologist and conchologist.He was born in Nancy, his father at that time being professor of experimental physics in the École Centrale of the Meurthe département....
, 1826) - † Viviparus symeonidisi Schütt, 1986
- † Viviparus teschiViviparus teschiViviparus teschi is an extinct species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Viviparidae.The specific name is in honor of Netherlandish geologist Pieter Tesch ....
Meijer, 1990 - Viviparus viviparusViviparus viviparusViviparus viviparus is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae, the river snails.-Distribution:This is a European species....
(Linnaeus, 1758) - River snail