Heleobia
Encyclopedia
Heleobia is a genus
of small freshwater and brackish water
snail
s with a gill
and an operculum
, aquatic
gastropod mollusks in the family Cochliopidae
and the superfamily Rissooidea
.
subgenus Semisalsa Radoman, 1974
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 freshwater and 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"...
snail
Snail
Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...
s with 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 Cochliopidae
Cochliopidae
Cochliopidae is a family of small freshwater snails with gills and an operculum, aquatic gastropod mollusks.This family is in the superfamily Rissooidea and in the clade Littorinimorpha ....
and the superfamily Rissooidea
Rissooidea
Rissooidea, originally named Rissoacea by Grey, 1847, is a large taxonomic superfamily of small and minute saltwater, brackish water, freshwater, and semi-terrestrial snails which have gills and an operculum...
.
Species
Species within the genus Heleobia include:subgenus Semisalsa Radoman, 1974
- Heleobia contempta (Dautzenberg, 1894)
- Heleobia longiscata (Bourguignat, 1856)
subgenus ?
- Heleobia australis (d'Orbigny, 1835)
- Heleobia berryi
- Heleobia conexa (M. C. Gaillard, 1974)
- Heleobia culminea (D'Orbigny, 1840) http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/list/species?taxongenus=3274 - the type species
- Heleobia hatcheri http://www.springerlink.com/content/uwlr2l83353l67u6/
- Heleobia piscium http://www.ncbi.nlm.nih.gov/pubmed/18833484
- Heleobia robustaHeleobia robustaHeleobia robusta is a species of very small aquatic snail, an operculate gastropod mollusk in the family Cochliopidae....
da Silva & Veitenheimer-Mendes, 2004 - Heleobia stagnorumHeleobia stagnorumHeleobia stagnorum is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Cochliopidae....
(Gmelin, 1791)