MUSSELpdb | valid sp. Pyganodon grandis specimens

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Page last updated
Tue 01 Jul 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.

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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), ..., Wu et al. (2024), Dai et al. (2024), Hou et al. (2024), Dai et al. (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)

Range: Widespread in the Central North America, from Mexico to the Arctic. Invading east to the Atlantic Slope.

Map of Georeferenced Specimens
species map

Canada
USNM_5712 Great Slave Lake	USNM_86434 Fort Rae, Gt. Slave Lake	USNM_86442 N End of Lake Winnipeg
USNM_86443 Mo. of Saskatchewan R., L. Winnipeg
Mexico
USNM_791584 pond W of Rio Grijalva, about 3 km above Villa Hermosa, Tabasco, Mexico	USNM_161480 Monte Cristo, Tabasco, Mexico	BMNH_93-2-4-2006 Tabasco, Mexico
MNHN_MP_1304 Mexique	MNHN_MP_1287 Mexique Rio Tabasco [=Grijalva]	MNHN_MP_1300 Mexique Tabasco
UF_270327 Mexico	UF_270329 Chiapas, Mexico	UF_20297 Estero De Paso De Mujeres, Tenochtitlan, Veracruz, Mexico
BMNH_1965189 Rio Nopalata, Mexico	UF_360161 Rio Coatzacoalcos, Oaxacana, Veracruz, Mexico	USNM_795625 Rio Grijalva, pond, 3 km above Villa Hermosa, Tabasco, Mexico. Station 2970
USNM_86701 Concha Lake, 20 leagues S Vera Cruz near Tlocatalpan, Mexico	BMNH_1893-2-4-2009 Rio dos Idolos, un des bras du fleuve Grijalva, Tabasco [Mexico]
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
USA
USNM_86680 Texas	USNM_86702 Lake Concordia, Louisiana	UMMZ_104010 Clear Lake, Ulvers Pt., Deuel Co., South Dakota
USNM_86690 Leon Co., Texas	SMF_4300 Ohio, U.S.A.	UAT_2225 Lake Mary, 10 mi. SE Flagstaff, Coconino Co., Arizona
MCZ_150645 Michigan	MCZ_161863 [Shears Lake, Kent Co.], Michigan	MCZ_161861 Camp Lake, Michigan
MCZ_150644 Sand Lake, Michigan	MCZ_161867 Slawsons Lake, Michigan	MCZ_150633 Shears Lake, Michigan
USNM_87806 Leon, Texas	USNM_86706 Ft. Winnebago	USNM_86381 Lake Champlain, Vermont
USNM_86426 Topeka, Kas.	USNM_86427 Uphaupee Cr., ..., Ala.	USNM_86440 Lake Pepin, Ohio
USNM_86468 Fort Winnebago	USNM_86540 Poland, Ohio	USNM_128835 New Orleans
USNM_86595 Mohawk, N.Y.	TMYERS_003 Upper Lake Mary at “The Narrows”, Coconino Co., Arizona	USNM_86615 Marietta, Ohio
USNM_86626 Bear Grass Creek, near Louisville, Ky	USNM_86633 canal, near Cincinnati, Ohio	USNM_86657 Harpeth R., Tenn
USNM_86659 Port Gibson, Mississippi	USNM_86664 Bayou Teche, Louisiana	USNM_86666 Red R., Alexandria, Louisiana
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
unknown
ZMB_MP_0195 [no locality available - Central America]	USNM_86677 [no locality available - North America]

Genbank Vouchers

USA

UMMZ_265697 (COI, 28S) Huron River, MI

UF_439342 (COI, 16S)

NEFC_B19-228 (mtGenome)

ANSP_341888 (28S)

Page updated: 07:56:08 Tue 01 Jul 2025

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