| Page last updated
Sun 07 Sep 2025 |
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 custom Google search field. Either way, you win!
This page reports the specimens in the MUSSELpdb and provides a map if geocodes are known. The taxonomic history reports the record of different names and combinations that have been applied to this species (and its synonyms) since 2007. The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=validsp&id=4344
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Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Pyganodon species Pyganodon grandis (Say, 1829): specimens
77 nominal species as synonyms
Taxonomic History (since 2007)
Pyganodon grandis — Zanatta et al. (2007), Tiemann et al. (2007), Cyr et al. (2007), Graf & Cummings (2007), ..., Dai et al. (2025), Perkins et al. (2025), Chen et al. (2025), FMCS (2025)
Pyganodon simpsonaia — Cyr et al. (2007)
Pyganodon grandis grandis — Watters et al. (2009)
Anodonta grandis grandis — ITIS (2012)
Anodonta grandis corpulenta — ITIS (2012)
Anodonta grandis simpsoniana — ITIS (2012)
Pyganodon simpsoniana — Doucet-Beaupré et al. (2012)
P. grandis — Sheng et al. (2014), Marshall et al. (2018)
Anodonta grandis — Kongim et al. (2015), Soliman et al. (2016)
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Range: Widespread in the Central North America, from Mexico to the Arctic. Invading east to the Atlantic Slope. Map of Georeferenced Specimens
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Canada |
USNM_5712
Great Slave Lake
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USNM_86434
Fort Rae, Gt. Slave Lake
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USNM_86442
N End of Lake Winnipeg
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USNM_86443
Mo. of Saskatchewan R., L. Winnipeg
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Mexico |
USNM_791584
pond W of Rio Grijalva, about 3 km above Villa Hermosa, Tabasco, Mexico
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USNM_161480
Monte Cristo, Tabasco, Mexico
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BMNH_93-2-4-2006
Tabasco, Mexico
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MNHN_MP_1304
Mexique
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MNHN_MP_1287
Mexique Rio Tabasco [=Grijalva]
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MNHN_MP_1300
Mexique Tabasco
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UF_270327
Mexico
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UF_270329
Chiapas, Mexico
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UF_20297
Estero De Paso De Mujeres, Tenochtitlan, Veracruz, Mexico
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BMNH_1965189
Rio Nopalata, Mexico
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UF_360161
Rio Coatzacoalcos, Oaxacana, Veracruz, Mexico
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USNM_795625
Rio Grijalva, pond, 3 km above Villa Hermosa, Tabasco, Mexico. Station 2970
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USNM_86701
Concha Lake, 20 leagues S Vera Cruz near Tlocatalpan, Mexico
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BMNH_1893-2-4-2009
Rio dos Idolos, un des bras du fleuve Grijalva, Tabasco [Mexico]
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UMMZ_104019
ANSP_41262 Concha Lake, 20 leagues S Vera Cruz near Tlocatalpan, Mexico
COMA_B.0658 Laguna El Marqués ,Veracruz, México
CNMO_2038 Laguna El Márquez [Laguna Márquez], Mcpio. El Mesón, acerca de Alvarado, Veracruz; Sep 1938
COMA_B.0777 Municipio El Mesón, Alvarado, Veracruz, México
COMA_B.0909 Rio González, Laguna del Horizonte, Tabasco, México
COMA_B.0315 Rio dos Idolos, afluente del Grijalva, Tabasco, Mexico
ANSP_139663 Veracruz, Mexico
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USA |
USNM_86680
Texas
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USNM_86702
Lake Concordia, Louisiana
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UMMZ_104010
Clear Lake, Ulvers Pt., Deuel Co., South Dakota
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USNM_86690
Leon Co., Texas
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SMF_4300
Ohio, U.S.A.
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UAT_2225
Lake Mary, 10 mi. SE Flagstaff, Coconino Co., Arizona
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MCZ_150645
Michigan
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MCZ_161863
[Shears Lake, Kent Co.], Michigan
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MCZ_161861
Camp Lake, Michigan
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MCZ_150644
Sand Lake, Michigan
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MCZ_161867
Slawsons Lake, Michigan
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MCZ_150633
Shears Lake, Michigan
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USNM_87806
Leon, Texas
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USNM_86706
Ft. Winnebago
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USNM_86381
Lake Champlain, Vermont
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USNM_86426
Topeka, Kas.
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USNM_86427
Uphaupee Cr., ..., Ala.
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USNM_86440
Lake Pepin, Ohio
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USNM_86468
Fort Winnebago
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USNM_86540
Poland, Ohio
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USNM_128835
New Orleans
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USNM_86595
Mohawk, N.Y.
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TMYERS_003
Upper Lake Mary at “The Narrows”, Coconino Co., Arizona
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USNM_86615
Marietta, Ohio
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USNM_86626
Bear Grass Creek, near Louisville, Ky
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USNM_86633
canal, near Cincinnati, Ohio
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USNM_86657
Harpeth R., Tenn
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USNM_86659
Port Gibson, Mississippi
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USNM_86664
Bayou Teche, Louisiana
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USNM_86666
Red R., Alexandria, Louisiana
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DMNH_149886 Lake Mary, 10 mi. SE Flagstaff, Coconino Co., Arizona
DMNH_75128 Lake Mary, 10 mi. SE Flagstaff, Coconino Co., Arizona
UMMZ_60218 Lake Mary, 9 mi. SE Flagstaff, Coconino Co., Arizona
UF_517091 Lake McMillan Reservoir, N of Carlsbad, Eddy Co., New Mexico, USA
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unknown |
ZMB_MP_0195
[no locality available - Central America]
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USNM_86677
[no locality available - North America]
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Genbank Vouchers
USAUMMZ_265697 (COI, 28S) Huron River, MI
MMTC_11 (COI, ND1) MMTC_10 (COI, ND1) UF_439342 (COI, 16S) BM_17211 (ND1) ANSP_341888 (28S) NEFC_B19-228 (mtGenome)
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Page updated: 08:28:48 Sun 07 Sep 2025 |
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