MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Thu 22 January 2026
Publication Howells et al. (1996): summary
Full Citation
Howells, R.G., R.W. Neck & H.D. Murray. 1996. Freshwater Mussels of Texas. 218 pp.
Attributed Nominal Species
Unio arctiro Howells et al., 1996 = Eurynia dilatata
‘Lea’ Howells et al., 1996. Freshw. Mussels Tex.: 51.
(error for Unio arctior Lea, 1838)
Lampsilis salinasensis ‘Simpson’ of Authors = Potamilus metnecktayi
‘Simpson’ of Authors.
Metcalf, 1982. Symp. Rec. Tex.: 48, pl. 2, fig. 2.
Neck & Metcalf, 1988. Texas J. Sci. 40: 262 [as ‘Potamilus salinasensis’].
Howells et al., 1996. Freshw. Mussels Tex.: 103, fig. p. 212 [as ‘Potamilus salinasensis’].
(misidentified reference to Lampsilis (Proptera) salinasensis Dall, 1908)
Taxonomic Opinions
Amblema plicata (Say, 1819)
+ Amblema costata Rafinesque, 1820
+ Unio perplicatus Conrad, 1841
+ Unio latecostatus Lea, 1845
Anodonta grandis Say, 1829 = Pyganodon grandis
+ Anodonta opaca Lea, 1852
+ Anodonta danielsii Lea, 1858
+ Anodonta corpulenta Cooper, 1834
+ Anodonta stewartiana Lea, 1834
+ Anodonta gigantea Lea, 1838
+ Anodonta bealei Lea, 1863
+ Anodonta lugubris Say, 1829
+ Anodonta texasensis Lea, 1859
+ Anodonta leonensis Lea, 1862
+ Anodonta virens Lea, 1852
Anodonta imbecillis Say, 1829 = Utterbackia imbecillis
+ Anodon horda Gould, 1855
Anodonta suborbiculata Say, 1831 = Utterbackiana suborbiculata
Arcidens confragosus (Say, 1829)
There are 146 species taxonomic opinions attributed to this publication.
Arkansia wheeleri Ortmann & Walker, 1912 = Arcidens wheeleri
Cyrtonaias tampicoensis (Lea, 1838) = Mesonaias tampicoensis + Cyrtonaias berlandierii
+ Unio berlandierii Lea, 1857
+ Unio heermannii Lea, 1861
+ Cyrtonaias grandensis Metcalf, 1982
Elliptio dilatata (Rafinesque, 1820) = Eurynia dilatata
+ Unio gibbosus Barnes, 1823
+ Unio arctior Lea, 1838
Fusconaia askewi (Marsh, 1896)
Fusconaia flava (Rafinesque, 1820) = Fusconaia flava + Fusconaia cerina + Fusconaia chunii
+ Unio rubiginosus Lea, 1829
+ Unio trigonus Lea, 1831
+ Unio cerinus Conrad, 1838
+ Unio chunii Lea, 1861
Fusconaia lananensis (Frierson, 1901)
Glebula rotundata (Lamarck, 1819)
+ Unio suborbiculata Lamarck, 1819
+ Unio glebulus Say, 1831
+ Unio subglobosus Lea, 1834
Lampsilis bracteata (Gould, 1855)
+ Unio rowellii Strecker, 1931
Lampsilis hydiana (Lea, 1838)
+ Unio approximus Lea, 1845
Lampsilis satura (Lea, 1853)
Lampsilis teres (Rafinesque, 1820)
+ Unio anodontoides Lea, 1831
+ Lampsilis fallaciosus Smith, 1899
Lasmigona complanata (Barnes, 1823) = Pterosyna complanata
Leptodea fragilis (Rafinesque, 1820) = Potamilus fragilis + Potamilus purpuratus
+ Lasmonos fragilis Rafinesque, 1831
+ Unio gracilis Barnes, 1823
+ Unio dolosus Lea, 1860
Ligumia subrostrata (Say, 1831) = Sagittunio subrostratus
+ Unio mississippiensis Conrad, 1850
+ Unio topekaensis Lea, 1868
+ Unio rutersvillensis Lea, 1859
Megalonaias nervosa (Rafinesque, 1820) = Megalonaias nervosa + Amblema plicata
+ Unio crassus var. giganteus Barnes, 1823
+ Unio undulatus Barnes, 1823
+ Unio heros Say, 1829
+ Unio multiplicatus Lea, 1831
+ Unio eightsii Lea, 1860
Obliquaria reflexa Rafinesque, 1820
+ Unio cornutus Barnes, 1823
Obovaria jacksoniana (Frierson, 1912) = Obovaria arkansasensis
+ Unio castaneus Lea, 1831
Plectomerus dombeyanus (Valenciennes, 1827) = Plectomerus dombeyanus + Elliptoideus sloatianus
+ Unio crassidens Lamarck, 1819
+ Unio trapezoides Lea, 1831
+ Unio interruptus Say, 1831
+ Bariosta ponderosus Rafinesque, 1831
+ Unio atromarginatus Lea, 1840
+ Unio sloatianus Lea, 1840
Pleurobema riddellii (Lea, 1862)
+ Unio friersoni B.H. Wright, 1896
Popenaias popei (Lea, 1857) = Popenaias popeii + Nephronaias ravistella
+ Unio veraepacis Tristram, 1863
Potamilus amphichaenus (Frierson, 1898)
Potamilus ohiensis (Rafinesque, 1820)
+ Symphynota laevissima Lea, 1829
+ Anodonta ohioensis ‘Rafinesque’ of Authors
Potamilus purpuratus (Lamarck, 1819)
+ Unio coloradoensis Lea, 1856
Potamilus salinasensis (Simpson, 1908) = Disconaias fimbriata
+ Lampsilis fimbriata Frierson, 1907
Quadrula apiculata (Say, 1829) = Quadrula quadrula
Quadrula aurea (Lea, 1859) = Pustulosa pustulosa
Quadrula couchiana (Lea, 1860)
Quadrula houstonensis (Lea, 1859) = Pustulosa pustulosa
Quadrula mortoni (Conrad, 1836) = Pustulosa pustulosa
+ Unio sphaericus Lea, 1868
+ Unio turgidus Lea, 1838
+ Unio nodiferus Conrad, 1841
Quadrula nodulata (Rafinesque, 1820) = Pustulosa nodulata
+ Unio pustulatus Lea, 1831
Quadrula petrina (Gould, 1855) = Pustulosa petrina
+ Unio bollii Call, 1881
Quadrula pustulosa (Lea, 1831) = Pustulosa pustulosa + Pustulosa kieneriana
+ Unio nodulosus Say, 1834
+ Unio dorfeuillianus Lea, 1838
+ Unio kienerianus Lea, 1852
Quadrula quadrula (Rafinesque, 1820) = Quadrula quadrula + Quadrula fragosa
+ Unio lacrymosus Lea, 1828
+ Unio asperrimus Lea, 1831
+ Unio forsheyi Lea, 1859
+ Unio fragosus Conrad, 1835
+ Unio nobilis Conrad, 1854
Quincuncina mitchelli (Simpson in Dall, 1896) = Fusconaia mitchelli + Fusconaia iheringi
+ Unio taumilapanus Conrad, 1855
+ Unio tamaulipasensis Fischer & Crosse, 1894
+ Unio iheringi B.H. Wright, 1898
+ Unio (sec. Elliptio) mitchelli var. elongatus Simpson, 1914
+ Quincuncina guadalupensis Wurtz, 1950
Strophitus undulatus (Say, 1817)
+ Alasmodonta edentula Say, 1829
+ Anodon rugosus Swainson, 1822
+ Anodonta arkansensis Lea, 1852
Toxolasma parvus (Barnes, 1823) = Toxolasma parvum + Leaunio lienosus
+ Unio haleianus Lea, 1842
+ Lampsilis carunculus Isley 1925 of Authors
Toxolasma texasensis (Lea, 1857) = Toxolasma texasiense
+ Lampsilis mearnsi Simpson, 1900
Tritogonia verrucosa (Rafinesque, 1820) = Quadrula verrucosa
+ Unio tuberculatus Barnes, 1823
+ Unio verrucosus ‘Rafinesque’ of Authors
Truncilla cognata (Lea, 1860)
Truncilla donaciformis (Lea, 1828)
+ Unio zigzag Lea, 1829
Truncilla macrodon (Lea, 1859)
Truncilla truncata Rafinesque, 1820
+ Unio elegans Lea, 1831
Uniomerus declivis (Say, 1831)
+ Elliptio tetralasmus manubius Frierson, 1927
Uniomerus tetralasmus (Say, 1831)
+ Unio camptodon Say, 1832
+ Unio jamesianus Lea, 1857
+ Unio symmetricus Lea, 1845
+ Unio sayii Ward in Tappan, 1839
Villosa lienosa (Conrad, 1834) = Leaunio lienosus
+ Unio saxeus Conrad, 1838
+ Unio caliginosus Lea, 1845
+ Unio fontanus Conrad, 1866
+ Unio nigerrimus Lea, 1852
+ Unio concestator Lea, 1857
