| Page last updatedWed 1 October 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! 
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 Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Lampsilis species Lampsilis cardium Rafinesque, 1820: specimens11 available nominal species synonyms (20 total synonyms)
 Recent Taxonomic OpinionsLampsilis cardium — Graf & Cummings (2007), Tiemann et al. (2007), Watters et al. (2009), Jadhav & Jamkhedkar (2009), Hoeh et al. (2009), ... Hou et al. (2024), Dai et al. (2025), Chen et al. (2025), FMCS (2025), Chen et al. (2025)Lampsilis cardium/ovata — Jones (2015)
 RangeWidespread in the Interior, Nelson, and Great Lakes basins, North America. Introduced to the Potomac River on the Atlantic Slope. Map of Georeferenced Specimens
 Canada
 unknown
 USA|  USNM_84509
 Cincinnati, Ohio
 |  USNM_84866
 Cincinnati, Ohio
 |  USNM_29958
 Devil’s Lake, Lenawee Co., Mich.
 |  |  UMMZ_209212
 L. Winnebago, nr. Oshkosh, Wis.
 |  UMMZ_209195
 Lake Pepin, Lake City, Minnesota
 |  UA_21020
 Mackinaw River, 1.5 mi SE Colfax, Co. Rd. 3600E Mclean County, Illinois, 40.5543°, -88.57409°
 |  |  UMMZ_304654
 Mackinaw River, 1.5 mi SE Colfax, Co. Rd. 3600E Mclean County, Illinois, 40.5543°, -88.57409°
 |  CM_31.6994
 Potomac River, Hancock, Washington Co., Maryland
 |  ANSP_416325
 Sangamon River, Lake of the Woods, Mahomet, Champaign Co., Illinois 40.2040° N, 88.3876° W
 |  |  ANSP_416325
 Sangamon River, Lake of the Woods, Mahomet, Champaign Co., Illinois 40.2040° N, 88.3876° W
 | 
 Georeferenced Genbank Vouchers
 USAUMMZ_265707. (28S: AF305386, COI: AF156518, go to Genbank) Huron River, MI. INHS_49380. (28S: MK036082, 5.8S: MK036165, COI: MK044914, ITS1: MK036165, ND1: MK045065, go to Genbank) St. Croix River, St. Croix drainage (46.0046, -92.4467). ASUMZ_1829_2. (16S: PQ238835, go to Genbank) USA: Arkansas, Frog Bayou. |