''Leptoxis'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of
freshwater snails with a gill and an
operculum,
aquatic gastropod mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...
s in the family
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.
Reprodu ...
.
Species within this genus inhabit rocky fast-flowing parts of unpolluted and unimpounded mid-sized rivers in the American mid
South and the southern
Midwest. Species in the subgenus ''Mudalia'' inhabit rivers and creeks in the
Atlantic
The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe an ...
drainage.
Species
Species within the genus ''Leptoxis'' include. Those that are extinct are marked with a dagger †.
* ''
Leptoxis ampla''
(Anthony, 1855)
* ''
Leptoxis arkansensis''
(Hinkley, 1915)
* ''
Leptoxis carinata''
(Bruguière, 1792)
*
Agate rocksnail (''Leptoxis clipeata''
(Smith, 1922))
*
Oblong rocksnail (''Leptoxis compacta'')
* ''
Leptoxis crassa''
(Haldeman 1841)
* ''
Leptoxis dilatata''
(Conrad, 1835)
*
Interrupted rocksnail (''Leptoxis foremanii''
(I. Lea, 1843) )
*
Maiden rocksnail (''Leptoxis formosa''
(I. Lea, 1860) )
*
Rotund rocksnail (''Leptoxis ligata''
(Anthony, 1860))
*
Lyrate rocksnail (''Leptoxis lirata''
(Smith, 1922))
*
Black mudalia (''Leptoxis melanoides''
(Conrad, 1834) )
*
Knob mudalia (''Leptoxis minor''
(Hinkley, 1912) )
*
Bigmouth rocksnail
The bigmouth rocksnail, scientific name †''Leptoxis occultata'', was a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Pleuroceridae. This species was endemic to the United States
...
(''Leptoxis occultata''
(Smith, 1922) )
*
Spotted rocksnail (''Leptoxis picta'')
*
Plicate rocksnail (''Leptoxis plicata''
(Hinkley, 1915))
*
Mainstream river snail (''Leptoxis praerosa''
(Say, 1821) )
*
Coosa rocksnail (''Leptoxis showalterii''
(I. Lea, 1860) )
*
Painted rocksnail
The painted rocksnail (''Leptoxis coosaensis,'' formerly ''Leptoxis taeniata'') is a species of freshwater snail with a gill and an operculum (gastropod), operculum, an aquatic animal, aquatic gastropod mollusk in the family Pleuroceridae.
This ...
(''Leptoxis taeniata'')
* ''
Leptoxis torrefacta''
* ''
Leptoxis trilineata''
(Say, 1829)
* ''
Leptoxis umbilicata''
(Wetherby, 1876)
*
Smooth rocksnail (''Leptoxis virgata'')
*
Striped rocksnail (''Leptoxis vittata''
(I. Lea, 1860))
Synonyms:
* ''Leptoxis anthonyix'' Anthony's river snail is a synonym for ''
Athearnia anthonyi''
* ''Leptoxis crassa''
boulder snail is a synonym for ''Athearnia crassa''
* ''Leptoxis pisum''
Haldeman, 1848: synonym of ''
Leptoxis crassa''
(Haldeman 1841)
* ''Leptoxis rapaeformis''
Haldeman, 1848: synonym of ''
Leptoxis dilatata''
(Conrad, 1835)
References
{{Taxonbar, from=Q3169468
Pleuroceridae
Taxa named by Constantine Samuel Rafinesque
Taxonomy articles created by Polbot