The Shasta sideband (''Monadenia troglodytes'') is a species of

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 ...

in the subfamily

Monadeniinae Monadeniinae is a taxonomic subfamily of small to medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family XanthonychidaeMolluscaBase eds. (2021). MolluscaBase. Monadenia Pilsbry, 1895. Accessed through: Worl ...

.MolluscaBase eds. (2021). MolluscaBase. Monadenia troglodytes troglodytes Hanna & A.G. Smith, 1933. Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=1352987 on 2021-02-25 This species is endemic to

Northern California Northern California (colloquially known as NorCal) is a geographic and cultural region that generally comprises the northern portion of the U.S. state of California. Spanning the state's northernmost 48 counties, its main population centers incl ...

in the United States. It is very rare, known from only nine locations around Shasta Lake, California. It is threatened by a variety of activities, but none of its sites are protected. The USFWS recently determined that it may warrant protection under the Endangered Species Act due to threats to its habitat from the proposed raising of Shasta Dam.

References

{{Taxonbar, from=Q3075730 Molluscs of the United States Monadenia Gastropods described in 1933 Taxonomy articles created by Polbot