Stenothyra
Encyclopedia
Stenothyra is a genus
of freshwater snail
s which have a gill
and an operculum
, aquatic
gastropod mollusks in the family
Stenothyridae
.
Stenothyra is the type genus
of the family Stenothyridae.
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 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 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
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...
Stenothyridae
Stenothyridae
Stenothyridae is a family of freshwater snails, snails with gills and an operculum, aquatic gastropod mollusks in the superfamily Rissooidea.This family has no subfamilies.-Distribution :...
.
Stenothyra is the type genus
Type genus
In biological classification, a type genus is a representative genus, as with regard to a biological family. The term and concept is used much more often and much more formally in zoology than it is in botany, and the definition is dependent on the nomenclatural Code that applies:* In zoological...
of the family Stenothyridae.
Distribution
The distribution of Stenothyra includes China and Malaysia.Species
Species within the genus Stenothyra include:- Stenothyra cambodiensis Brandt, 1971
- Stenothyra confinis
- Stenothyra divalis (Gould)
- Stenothyra fasciata
- Stenothyra huaimoi ..., 1979
- Stenothyra hunanensis Moellendorff
- Stenothyra hybocystoides Bavay, 1895
- Stenothyra japonica
- Stenothyra jinghongensis ..., 1986
- Stenothyra khongi ..., 1979
- Stenothyra mcmulleni
- Stenothyra messageri
- Stenothyra wykoffi
External links
- specimens of Stenothyra in the collection of Malacology Collection at the Academy of Natural SciencesAcademy of Natural SciencesThe Academy of Natural Sciences of Drexel University, formerly Academy of Natural Sciences of Philadelphia, is the oldest natural science research institution and museum in the New World...
, Philadelphia