Collisella edmitchelli
Encyclopedia
† Collisella edmitchelli was a late Pleistocene
species
of sea snail
, a true limpet
, a marine
gastropod mollusk in the family Lottiidae
and the clade Patellogastropoda
.
This species was endemic to the United States
, but it is now thought to be extinct, although there is some evidence that it is still living.
Pleistocene
The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....
species
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 sea 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...
, a true limpet
Limpet
Limpet is a common name for a number of different kinds of saltwater and freshwater snails ; it is applied to those snails that have a simple shell which is more or less conical in shape, and either is not spirally coiled, or appears not to be coiled in the adult snails.The name limpet is most...
, a marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...
gastropod mollusk in the family Lottiidae
Lottiidae
Lottiidae is a family of sea snails, specifically true limpets, marine gastropod mollusks in the superfamily Lottioidea and the clade Patellogastropoda .- 2005 taxonomy :...
and the clade Patellogastropoda
Patellogastropoda
Patellogastropoda, common name true limpets and historically called Docoglossa, is a major phylogenetic group of marine gastropods, seen either as a clade or as a taxonomic order.-Taxonomy:Patellogastropoda was proposed by David R...
.
This species was endemic to the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
, but it is now thought to be extinct, although there is some evidence that it is still living.
Further reading
- Lindberg D. R.David R. LindbergDavid R. Lindberg is an American malacologist and professor of integrative biology at the University of California, Berkeley. He is also the Curator for the University of California Museum of Paleontology and co-editor of the journal Molecular Systematics and Phylogeography of Mollusks.Much of his...
(1984). "A Recent specimen of Collisella edmitchelli from San Pedro, California (Mollusca: Acmaeidae)". Southern California Academy of Sciences, Bulletin of the Southern California Academy of Sciences 83(3): 148-151.