''Helisoma anceps'',
common name
In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often contrast ...
the two-ridge rams-horn, is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of air-breathing
freshwater snail
Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs ...
, a
pulmonate
Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...
in the family
Planorbidae
Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod molluscs. Unlike most molluscs, the blood of ram's horn snails contains iron-based hemoglobin ins ...
, the ram's horn snails.
[Bouchet, P. (2011). ''Helisoma anceps'' (Menke, 1830). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=159871 on 2011-04-28]
Distribution
This species is distributed from
Mexico
Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
, through the Central
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
, to central
Canada
Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
.
It was introduced to Europe.
See also
*
List of non-marine molluscs of Mexico
The non-marine molluscs of Mexico are a part of the molluscan wildlife of Mexico. A number of species of non-marine molluscs are found in the wild in Mexico.
There are about 1,178 species and subspecies of terrestrial gastropods in the Mexico.Na ...
*
List of non-marine molluscs of the United States
The non-marine mollusks of the United States are a part of the molluscan fauna of the United States.
Freshwater gastropods
;Amnicolidae
* ''Amnicola cora'' Hubricht 1979 - Foushee Cavesnail
* ''Amnicola dalli'' Pilsbry and Beecher 1892 - Peninsula ...
*
List of non-marine mollusks of the Indiana Dunes
References
Further reading
* Turgeon D. D., et al. (1998). ''Common and scientific names of aquatic invertebrates of the United States and Canada''. American Fisheries Society Special Publication 26
External links
Planorbidae
Molluscs of North America
Molluscs of Canada
Molluscs of Mexico
Molluscs of the United States
Fauna of the Great Lakes region (North America)
Fauna of the Plains-Midwest (United States)
Gastropods described in 1830
{{Planorbidae-stub