The Ash Meadows pebblesnail (''Pyrgulopsis erythropoma'') is a
species of
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 ...
with a
gill and an
operculum,
aquatic 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 in the family
Hydrobiidae.
This species is
endemic to the Point of Rocks spring complex,
Ash Meadows
The Ash Meadows National Wildlife Refuge is a protected wildlife refuge located in the Amargosa Valley of southern Nye County, in southwestern Nevada. It is directly east of Death Valley National Park, and is west-northwest of Las Vegas. ,
Nevada,
United States.
Its natural
habitat is
springs. It is threatened by
habitat loss.
The common name of this species is taken from the name of the
Ash Meadows National Wildlife Refuge in
Nevada.
Description
''Pyrgulopsis erythropoma'' is a small snail that has a height of and globose-turbinate, shell. Its differentiated from other ''Pyrgulopsis'' in that its penial filament has an absent lobe and elongate filament with the penial ornament consisting of a large, superficial ventral gland. It is distinguished from closely similar ''
P. pisteri'' by its more globose shell, blade-like penis, and absence of anterior capsule gland vestibule.
References
Pyrgulopsis
Gastropods described in 1899
Taxonomy articles created by Polbot
{{Hydrobiidae-stub