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9 August
2018

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The Freshwater Mussels (Unionoida) of the World
(and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the search fields. Either way, you win!

Taxa known only as fossils are highlighted in gray. Those without representatives in fresh waters are highlighted in gold.

 

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Publication Information

Conrad, T.A. 1834. New fresh water shells of the United States, with coloured illustrations; and a monograph of the genus Anculotus of Say; also a synopsis of the American naiades: 1-76 + 8 plates.
Availably electronically? yes.

Species Described
Alasmodonta truncata Conrad, 1834.
‘Say’ Conrad, 1834, New Fresh-Water Shells: 73.
(intro'd as syn of Alasmodonta radiata Conrad, 1834)
= Alasmidonta viridis
 
Anodonta subvexa Conrad, 1834.
Conrad, 1834, Amer. J. Sci.: 341, pl. 1, fig. 1.
Conrad, 1834, New Fresh-Water Shells: 73.
Conrad, 1853, Proc. Acad. Nat. Sci.: 264.
= Pseudodontoideus subvexus
 
Anodonta teres Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 47, pl. 7, fig. 2.
Conrad, 1853, Proc. Acad. Nat. Sci.: 264.
= Pyganodon cataracta
 
Unio alabamensis Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 67.
Conrad, 1853, Proc. Acad. Nat. Sci.: 260.
(new name for Symphynota inflata Lea, 1831)
= Potamilus inflatus
 
Unio altilis Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 43, pl. 2, fig. 1.
Conrad, 1853, Proc. Acad. Nat. Sci.: 244.
Type(s): HOLOTYPE ANSP_56419, Ogeechee R., Ga.
= Hamiota altilis
 
Unio arctatus Conrad, 1834.
Conrad, 1834, Amer. J. Sci.: 340, pl. 1, fig. 9.
Conrad, 1834, New Fresh-Water Shells: 36, pl. 5, fig. 4.
Conrad, 1853, Proc. Acad. Nat. Sci.: 245.
= Elliptio arctata
 
Unio caelatus Conrad, 1834.
Conrad, 1834, Amer. J. Sci.: 338, pl. 1, fig. 1 [as ‘cœlatus’].
Conrad, 1834, New Fresh-Water Shells: 29, pl. 3, fig. 4 [as ‘cælatus’].
Conrad, 1853, Proc. Acad. Nat. Sci.: 245 [as ‘cælatus’].
(correct name for Unio coelatus Conrad, 1834)
= Lemiox rimosus
 
Unio cardium Conrad, 1834.
‘Rafinesque’ Conrad, 1834, New Fresh-Water Shells: 68.
(reference to Lampsilis cardium Rafinesque, 1820)
= Lampsilis cardium
 
Unio cicatricosus Conrad, 1834.
‘Say’ Conrad, 1834, New Fresh-Water Shells: ??.
‘Say’ Conrad, 1840, Monogr. Fam. Unionidae: 115, pl. 64.
(mis-ID'd reference to Unio cicatricosus Say, 1829)
= Plethobasus cyphyus
 
Unio cor Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 28, pl. 3, fig. 3.
Conrad, 1853, Proc. Acad. Nat. Sci.: 247.
Type(s): HOLOTYPE MCZ_178792, Elk and Flint Rivers, Alabama.
= Fusconaia cor
 
Unio delumbis Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 35, pl. 5, fig. 3.
Conrad, 1853, Proc. Acad. Nat. Sci.: 248.
= Villosa delumbis
 
Unio fasciolaris Conrad, 1834.
‘Rafinesque’ Of Authors.
Conrad, 1834, New Fresh-Water Shells: 69.
(reference to Obliquaria fasciolaris Rafinesque, 1820)
= Ptychobranchus fasciolaris
 
Unio furvus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 39, pl. 6, fig. 3.
Conrad, 1853, Proc. Acad. Nat. Sci.: 250.
= Pleurobema rubellum
 
Unio greenii Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 32, pl. 4, fig. 1.
Conrad, 1837, Monogr. Fam. Unionidae: 69, pl. 38, fig. 2.
Conrad, 1853, Proc. Acad. Nat. Sci.: 250.
Type(s): SYNTYPE USNM_84950, [Black Warrior River] Alabama.
= Ptychobranchus greenii
 
Unio icterinus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 41, pl. 6, fig. 5.
Conrad, 1836, Monogr. Fam. Unionidae: 39, pl. 18, fig. 2.
Conrad, 1853, Proc. Acad. Nat. Sci.: 250.
Type(s): HOLOTYPE ANSP_41381, muddy shore, Savannah River, opposite Augusta [Richmond Co.], Georgia.
= Elliptio icterina
 
Unio infucatus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 45, pl. 3, fig. 2.
Conrad, 1853, Proc. Acad. Nat. Sci.: 250.
= Cyclonaias infucata
 
Unio interruptus Conrad, 1834.
‘Rafinesque’ Of Authors.
Say, 1834, Amer. Conch.: ??.
Conrad, 1834, New Fresh-Water Shells: 69.
Ferussac, 1835, Mag. Zool.: 28.
Conrad, 1838, Monogr. Fam. Unionidae: 88, pl. 48.
Reeve, 1864, Conch. Icon.: pl. 14, sp. 56.
(mis-ID'd reference to Obliquaria interrupta Rafinesque, 1820)
= Epioblasma brevidens
 
Unio laevigatus Say, 1834.
‘Rafinesque’ Of Authors.
Conrad, 1834, New Fresh-Water Shells: 70.
Say, 1834, Amer. Conch.: [no pagination].
Ferussac, 1835, Mag. Zool.: 28.
Lea, 1836, Synopsis Fam. Naiades: 59.
Lea, 1852, Synopsis Fam. Naiades: 57.
Conrad, 1853, Proc. Acad. Nat. Sci.: 251.
Ortmann, 1921, Mem. Carnegie Mus.: 92.
(error for Unio levigata Rafinesque, 1820)
= Obovaria subrotunda
 
Unio lineolatus Say, 1834.
‘Rafinesque’ Of Authors.
‘Rafinesque’ Conrad, 1834, New Fresh-Water Shells: 70.
‘Rafinesque’ Say, 1834, Amer. Conch.: pl. 68.
(reference to Obliquaria lineolata Rafinesque, 1820)
= Ellipsaria lineolata
 
Unio maculatus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 30, pl. 4, fig. 4.
Conrad, 1853, Proc. Acad. Nat. Sci.: 252.
(prim. homonym of Unio maculata Rafinesque, 1820; renamed Pleurobema conradi Vanatta, 1915)
= Pleuronaia dolabelloides
 
Unio masoni Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 34, pl. 5, fig. 2.
Conrad, 1836, Monogr. Fam. Unionidae: 28, pl. 12, fig. 2.
Conrad, 1853, Proc. Acad. Nat. Sci.: 252.
= Fusconaia masoni
 
Unio nebulosus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 28, pl. 3, fig. 7.
Conrad, 1853, Proc. Acad. Nat. Sci.: 252.
= Cambarunio nebulosa
 
Unio nervosa Conrad, 1834.
‘Rafinesque’ Of Authors.
Say, 1834, Amer. Conch.: ??.
Conrad, 1834, New Fresh-Water Shells: 70.
Lapham, 1852, Trans. WI Agri. Soc.: 369.
Agassiz, 1852, Arch. Naturg.: 48.
Conrad, 1853, Proc. Acad. Nat. Sci.: 252.
(mis-ID'd reference to Unio nervosa Rafinesque, 1820)
= Truncilla donaciformis
 
Unio obliquatus Say, 1834.
‘Rafinesque’ Of Authors.
Conrad, 1834, New Fresh-Water Shells: 70.
Say, 1834, Amer. Conch.: ??.
(reference to Obliquaria obliquata Rafinesque, 1820)
= Epioblasma obliquata
 
Unio obovata Conrad, 1834.
‘Raf.’ Conrad, 1834, New Fresh-Water Shells: 69.
(error for Obovaria obovalis Rafinesque, 1820)
= Reginaia ebena
 
Unio olivarius Conrad, 1834.
‘Rafinesque’ Of Authors.
Conrad, 1834, New Fresh-Water Shells: 70.
Ferussac, 1835, Mag. Zool.: 28, 34.
(reference to Amblema olivaria Rafinesque, 1820)
= Obovaria olivaria
 
Unio oviformis Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 46, pl. 3, fig. 6.
Conrad, 1853, Proc. Acad. Nat. Sci.: 254.
= Pleurobema oviforme
 
Unio pectorosus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 37, pl. 6, fig. 1.
Conrad, 1836, Monogr. Fam. Unionidae: 25, pl. 11, fig. 1.
Conrad, 1853, Proc. Acad. Nat. Sci.: 254.
= Ortmanniana pectorosa
 
Unio penitus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 33, pl. 5, fig. 1.
Conrad, 1853, Proc. Acad. Nat. Sci.: 254.
Type(s): HOLOTYPE ANSP_59860, Alabama.
= Epioblasma penita
 
Unio perovalis Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 43, pl. 2, fig. 2.
Conrad, 1853, Proc. Acad. Nat. Sci.: 254.
Type(s): HOLOTYPE ANSP_56416, Alabama R.
= Hamiota perovalis
 
Unio perovatus Conrad, 1834.
Conrad, 1834, Amer. J. Sci.: 338, pl. 1, fig. 3.
Conrad, 1834, New Fresh-Water Shells: 47, pl. 2, fig. 3.
Conrad, 1853, Proc. Acad. Nat. Sci.: 254.
Type(s): LECTOTYPE ANSP_129864 (selected by Johnson & Baker, 1973), [no locality available - North America].
= Pleurobema perovatum
 
Unio personatus Conrad, 1834.
‘Say’ Conrad, 1834, New Fresh-Water Shells: 71.
(mis-ID'd reference to Unio personatus Say, 1829)
= Fusconaia subrotunda
 
Unio poulsoni Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 25, pl. 1.
= Potamilus purpuratus
 
Unio prasinus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 44, pl. 3, fig.1.
Conrad, 1837, Monogr. Fam. Unionidae: 79, pl. 44, fig. 2.
Conrad, 1853, Proc. Acad. Nat. Sci.: 255.
= Cyclonaias pustulosa
 
Unio raveneli Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 39, pl. 6, fig. 4.
Conrad, 1853, Proc. Acad. Nat. Sci.: 256.
(renamed Margarita watereensis Lea, 1836)
Type(s): SYNTYPE ANSP_41370, So. Carolina.
= Elliptio icterina
 
Unio rubellus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 38, pl. 6, fig. 2.
Conrad, 1853, Proc. Acad. Nat. Sci.: 257.
= Pleurobema rubellum
 
Unio stramineus Conrad, 1834.
Conrad, 1834, Amer. J. Sci.: 339, pl. 1, fig. 6.
Conrad, 1834, New Fresh-Water Shells: pl. 7, fig. 1.
Conrad, 1838, Monogr. Fam. Unionidae: 91, pl. 50, fig. 1.
Conrad, 1853, Proc. Acad. Nat. Sci.: 258.
= Lampsilis straminea
 
Unio taeniatus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 26, pl. 4, fig. 2 [as ‘tæniatus’].
Conrad, 1853, Proc. Acad. Nat. Sci.: 258 [as ‘tæniatus’].
Type(s): HOLOTYPE ANSP_56441, Flint River, Ala.
= Cambarunio taeniatus
 
Unio tenebrosus Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 42, pl. 7, fig. 1.
Conrad, 1853, Proc. Acad. Nat. Sci.: 258.
= Lampsilis radiata
 
Unio torulosus Conrad, 1834.
‘Rafinesque’ Conrad, 1834, New Fresh-Water Shells: 72.
‘Raf.’ Conrad, 1853, Proc. Acad. Nat. Sci.: 259.
(reference to Amblema torulosa Rafinesque, 1820)
= Epioblasma torulosa
 
Unio trabalis Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 27, pl. 3, fig. 5.
Conrad, 1840, Monogr. Fam. Unionidae: 110, pl. 60, fig. 2.
Conrad, 1853, Proc. Acad. Nat. Sci.: 259.
Type(s): HOLOTYPE ANSP_56481, Flint River, Ala.
= Venustaconcha trabalis
 
Unio undatus Conrad, 1834.
‘Barnes’ Conrad, 1834, New Fresh-Water Shells: 72.
(reference to Unio undatus Barnes, 1823)
= Fusconaia flava
 
Unio vibex Conrad, 1834.
Conrad, 1834, New Fresh-Water Shells: 31, pl. 4, fig. 3.
Conrad, 1853, Proc. Acad. Nat. Sci.: 260.
Type(s): UNKNOWN ANSP_56488, Black Warrior River, Ala.
= Villosa vibex
 
 
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