Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Pyganodon

species Pyganodon grandis (Say, 1829): specimens

44 available nominal species synonyms (68 total synonyms)

Recent Taxonomic Opinions

Pyganodon grandis — Graf & Cummings (2007), Cyr et al. (2007), Zanatta et al. (2007), Tiemann et al. (2007), Williams et al. (2008), ... Chen et al. (2025), FMCS (2025), Cummings et al. (2025), Hou et al. (2025), Wang et al. (2025)
Pyganodon simpsonaia [sic] — 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 interior North America, from the Rio Grande to the Arctic. Invading east into the Atlantic Slope and west into the Pacific.

Map of Georeferenced Specimens

MUSSELp Specimen Records

Canada

unknown

USA

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

Genbank Vouchers

Georeferenced Genbank Vouchers

USA

UMMZ_265697. (28S: AF305384, COI: AF156504, go to Genbank) Huron River, MI.