Pyramid slitshell
Encyclopedia
The pyramid slitshell, scientific name Gyrotoma pyramidata, was a species
of freshwater snail
, a gastropod in the Pleuroceridae
family. It was endemic to the United States
. It is now extinct.
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 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....
, a gastropod in the Pleuroceridae
Pleuroceridae
Pleuroceridae, common name pleurocerids, is a family of small to medium-sized freshwater snails, aquatic gilled gastropod mollusks in the superfamily Cerithioidea.These snails have an operculum and typically a robust high-spired shell....
family. It 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...
. It is now extinct.