Puzzle elimia
Encyclopedia
The puzzle elimia, scientific name †Elimia varians, was a species of freshwater snail
with an operculum
, aquatic gastropod mollusk in the family Pleuroceridae
. This species was endemic to the United States
. It is now extinct.
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...
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...
, aquatic gastropod mollusk in the family 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....
. 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...
. It is now extinct.