Tryonia
Encyclopedia
Tryonia is a genus
of mostly minute freshwater snail
s with an operculum
. These are aquatic
gastropod mollusks in the family
Cochliopidae
.
This genus has been traditionally placed within family Hydrobiidae
.
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 mostly minute 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...
. These are 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...
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 ....
.
This genus has been traditionally placed within family Hydrobiidae
Hydrobiidae
Hydrobiidae, common name mud snails, is a large cosmopolitan taxonomic family of very small freshwater snails and brackish water snails that have an operculum, aquatic gastropod mollusks in the clade Littorinimorpha.- Distribution :...
.
Species
Species within the genus Tryonia include:- Tryonia adamantina - Diamond Y springsnailDiamond y springsnailThe Diamond Y springsnail, scientific name Tryonia adamantina, is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.The species is endemic to the United States.-References:...
- Tryonia aequicostata - Smooth-rib hydrobe
- Tryonia alamosae - Alamosa springsnailAlamosa springsnailTryonia alamosae, common name the Alamosa springsnail, is a species of small freshwater snail, an aquatic prosobranch gastropod mollusk in the family Hydrobiidae....
- Tryonia angulata - Sportingoods tryoniaSportingoods tryoniaThe sportingoods tryonia, Tryonia angulata, is a species of gastropods in the Hydrobiidae family. It is endemic to the United States.-Source:* Bogan, A.E. 1996. .* Downloaded on 7 August 2007....
- Tryonia brevissima - Regal hydrobe
- Tryonia brunei
- Tryonia cheatumi - Phantom tryonia
- Tryonia circumstriata
- Tryonia clathrata - Grated tryoniaGrated tryoniaThe grated tryonia, also known as the White River snail, scientific name Tryonia clathrata, is a species of very small or minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States.-References:* Bogan, A.E. 1996. ...
, type species - Tryonia diaboli - Devil tryonia
- Tryonia elata - Point of Rocks tryoniaPoint of rocks tryoniaThe Point of Rocks tryonia, scientific name Tryonia elata, is a species of gastropod in the Hydrobiidae family. This species is endemic to the United States. The common name refers to Point of Rocks, Maryland.-References:* Bogan, A.E. 1996. ....
- Tryonia ericae - Minute tryoniaMinute tryoniaThe minute tryonia is a species of very small or minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States.-References:...
- Tryonia gilae, Gila tryoniaGila tryoniaThe Gila tryonia, scientific name Tryonia gilae, is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Hydrobiidae, This species is endemic to the United States.-References:* Bogan, A.E. 1996. ....
- Tryonia imitator - Mimic tryonia
- Tryonia kosteri - Koster's tryoniaKoster's tryoniaKoster's tryonia, scientific name Tryonia kosteri, is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to New Mexico in the United States....
- Tryonia margae - Grapevine Springs elongate tryonia
- Tryonia protea - Desert tryonia
- Tryonia quitobaquitae - Quitabaquito tryoniaQuitabaquito tryoniaThe Quitabaquito tryonia is a species of gastropod in the Hydrobiidae family. It is endemic to the United States.-Source:* Bogan, A.E. 1996. .* Downloaded on 7 August 2007....
- Tryonia robusta - Robust tryonia
- Tryonia rowlandsi - Grapevine Springs squat tryonia
- Tryonia salina - Cottonball Marsh tryonia
- Tryonia variegata - Amargosa tryonia
External links
- Hershler R. (1999). "A systematic review of the hydrobiid snails (Gastropoda: Rissoidea) of the Great Basin, western United States. Part II. Genera Colligyrus, Fluminicola, Pristinicola, and Tryonia". The Veliger 42(4): 306-337. PDF.
- Hershler R. & Thompson F. G. (1987). "North American Hydrobiidae (Gastropoda: Rissoacea): redescription and the systematic relationships of Tryonia Stimpson, 1865 and Pyrgulopsis Call and Pilsbry, 1886". The NautilusThe Nautilus (journal)The Nautilus is a peer-reviewed scientific journal covering research in malacology. Hence its scope includes all aspects of the biology, ecology, and systematics of mollusks....
101(1): 25-32. - Stimpson W. (1865). "Researches upon the Hydrobiinae and allied forms chiefly made upon materials in the museum of the Smithsonian InstitutionSmithsonian InstitutionThe Smithsonian Institution is an educational and research institute and associated museum complex, administered and funded by the government of the United States and by funds from its endowment, contributions, and profits from its retail operations, concessions, licensing activities, and magazines...
". Smithsonian Miscellaneous Collections 7(201): 1-59. page 48.