Margarya bicostata
Encyclopedia
Margarya bicostata is a species
of large operculate
freshwater snail
, an aquatic
gastropod mollusk in the family Viviparidae
, the river snails.
in Yunnan Province, China. Former distribution also included Dian Lake.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of large operculate
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...
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....
, an 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 mollusk in the family Viviparidae
Viviparidae
Viviparidae, sometimes known as the river snails or mystery snails, are a family of large operculate freshwater snails, aquatic gastropod mollusks....
, the river snails.
Distribution
The distribution of Margarya bicostata includes Fuxian LakeFuxian Lake
Fuxian Lake stretches out through Chengjiang County, Jiangchuan County and Huaning County in Yunnan Province, spanning an area of 212 square kilometers. The lake is ranked third largest in Yunnan, right after the Dianchi Lake and the Erhai Lake. Also the deepest lake in Yunnan, it is 155 meters...
in Yunnan Province, China. Former distribution also included Dian Lake.