Anisus
Encyclopedia
Anisus is a genus
of small air-breathing freshwater snail
s, aquatic
pulmonate gastropod mollusks in the family
Planorbidae
, the ramshorn snails and their allies.
subgenus Anisus
subgenus Disculifer C. Boettger 1944
subgenus ?
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 small air-breathing 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, 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...
pulmonate gastropod mollusks in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Planorbidae
Planorbidae
Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks....
, the ramshorn snails and their allies.
Species
The genus contains the following species:subgenus Anisus
- Anisus spirorbisAnisus spirorbisAnisus spirorbis is a species of small freshwater air-breathing snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.- Distribution :This species occurs in countries that include:...
(Linnaeus, 1758) - the type speciesType speciesIn biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...
of the genus - Anisus calculiformisAnisus calculiformisAnisus calculiformis is a very small species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.- Synonyms :...
(Sandberger, 1874) - synonym: Anisus septemgyratus auct. (not Rossmässler) - Anisus leucostomaAnisus leucostomaAnisus leucostoma is a European species of small air-breathing freshwater snail, an aquatic pulmonate gastropod in the family Planorbidae, the ram's horn snails and their allies.- Synonyms :...
(Millet, 1813) - synonym: Anisus septemgyratus (Rossmässler, 1835) - Anisus strauchianus (Clessin, 1884)
subgenus Disculifer C. Boettger 1944
- Anisus vortexAnisus vortexAnisus vortex is a species of small freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ram's horn snails and their allies.- Distribution :This species occurs in countries and islands including:...
- Anisus vorticulusAnisus vorticulusThe ramshorn snail, Anisus vorticulus is a species of minute, air-breathing, freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ramshorn snails.-Distribution:...
subgenus ?
- Anisus natalensisAnisus natalensisAnisus natalensis is a species of a freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.- Distribution :This species occurs in countries that include:* South Africa* Mozambique...
(Krauss)