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Median-gland Nevada springsnail
The
median-gland
Nevada
springsnail
,
scientific name
Pyrgulopsis
pisteri
, is a
species
of
freshwater snails
with a
gill
and an
operculum
,
aquatic
gastropod
mollusks
in the
family
Hydrobiidae
.
This species is
endemic
to
Nevada, United States
.