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Page last updated
Mon 28 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.

The MUSSEL Project Database is moving to a new server, with a new URL! The new address for this page will be: https://musselpdb.org/fmuotwaolcb/db.php?ty=validsp&id=2664

Search the database pages:

Unionoidea | Unionidae | Ambleminae | Quadrulini | Quadrulina | Quadrula

species Quadrula quadrula (Rafinesque, 1820): specimens
     25 nominal species as synonyms

Taxonomic History (since 2007)

Quadrula quadrulaZhou et al. (2007), Tiemann et al. (2007), Graf & Cummings (2007), Chapman et al. (2008), ..., Hou et al. (2024), Xiang et al. (2025), Dai et al. (2025), Freeman et al. (2025)
Quadrula apiculataGraf & Cummings (2007), Williams et al. (2008), Cummings & Graf (2010), Bogan (2010), ..., Pfeiffer et al. (2019), Pfeiffer et al. (2019), Inoue et al. (2020), Hauck et al. (2023)
Quadrula rumphianaGraf & Cummings (2007), Williams et al. (2008), Cummings & Graf (2010), Bogan (2010), ..., Williams et al. (2017), Inoue et al. (2018), Burlakova et al. (2019), Hauck et al. (2023)
Quadrula fragosaWatters et al. (2009)
Quadrula quadrula quadrulaITIS (2012)
Q. quadrulaSheng et al. (2014)
Quadrula quadrula rumphianaKeogh et al. (2024)

Range: Widespread in the Interior, Nelson and Great Lakes basins, as well as the western Gulf Coastal Plain, North America.

Map of Georeferenced Specimens
species map


USA

specimen
USNM_84165

Cincinnati, Ohio

specimen
USNM_84169

Texas

specimen
USNM_84172

Leon Co., Texas

specimen
USNM_84174

Cincinnati, Ohio

specimen
USNM_84189

West Georgia

specimen
USNM_84190

Othcaloosa Cr., Ga.

specimen
USNM_84212

Claiborne, Ala. R., Alabama

specimen
ANSP_20224

Salt River

specimen
UMMZ_209203

Fox River, nr. De Pere, Wisc.

specimen
CM_61.6892

Lake Contrary, St. Joseph, Buchanan Co., Missouri

   

type locality

Genbank Vouchers

Mexico

FLMNH_438809_1 (SK20021) (COI M-type, COI) Rio Grande (27.62609, -99.58903)

FLMNH_438809_7 (SK20022) (COI M-type, COI) Rio Grande (27.62609, -99.58903)

FLMNH_438809_9 (SK20029) (COI M-type, COI) Rio Grande (27.62609, -99.58903)

FLMNH_438809_3 (SK20024) (COI M-type, COI) Rio Grande (27.62609, -99.58903)

FLMNH_438809_1 (SK20030) (COI) Rio Grande (27.62609, -99.58903)

FLMNH_438809_6 (SK20027) (COI) Rio Grande (27.62609, -99.58903)

FLMNH_438809_4 (SK20025) (COI) Rio Grande (27.62609, -99.58903)

FLMNH_438809_2 (SK20023) (COI) Rio Grande (27.62609, -99.58903)

FLMNH_438809_5 (SK20026) (COI) Rio Grande (27.62609, -99.58903)

FLMNH_438809_8 (SK20028) (COI) Rio Grande (27.62609, -99.58903)

U.S.A.

JFBM_22858_1 (SK18155) (COI, COI M-type, ND1, ITS1, 5.8S) Bogue Chitto AL (32.37014, -87.31969)

FLMNH_438814 (QapiNav029) (COI, ND1, ITS1, 5.8S) Navidad River (28.95756, -96.54243)

FLMNH_439169 (QrumTom008) (COI, ND1, ITS1, 5.8S) Sipsey River (33.040556, -88.113611)

FLMNH_438419_2 (SK19091) (COI, ND1, ITS1, 5.8S) Black Warrior (32.555, -87.84409)

ASUMZ_1234_3 (COI, ND1, ITS1, 5.8S) Arkansas River (35.11874, -92.5532)

FLMNH_438814 (QapiNav028) (COI, ND1, ITS1, 5.8S) Navidad River (28.95756, -96.54243)

JFBM_22857 (SK18144) (COI M-type, COI, ND1, ITS1) Alabama River (32.392701, -87.004616)

FLMNH_441183 (QapiCol065) (COI, ND1, ITS1, 5.8S) Colorado River (31.4831003, -99.030595)

FLMNH_439169 (QrumTom005) (COI, ND1, ITS1, 5.8S) Sipsey River (33.040556, -88.113611)

FLMNH_438818 (QapiGal017) (COI, ND1, ITS1, 5.8S) Galveston Bay (29.789741, -95.623742)

FLMNH_438818 (QapiGal016) (COI, ND1, ITS1, 5.8S) Galveston Bay (29.789741, -95.623742)

FLMNH_439169 (QrumTom011) (COI, ND1, ITS1, 5.8S) Sipsey River (33.040556, -88.113611)

FLMNH_438419_1 (SK19090) (COI, ND1, ITS1, 5.8S) Black Warrior (32.555, -87.84409)

TXA&M_NRI_8262 (COI, ND1, ITS1, 5.8S) Trinity River (31.6632089, -95.79061759)

JFBM_22862_5 (SK18168) (COI, ITS1, 5.8S) Sipsey River (33.331581, -87.761735)

JFBM_22858_4 (SK18158) (COI, ITS1, 5.8S) Bogue Chitto AL (32.37014, -87.31969)

JFBM_22862_2 (SK18165) (COI, COI M-type, ND1) Sipsey River (33.331581, -87.761735)

JFBM_22858_2 (SK18156) (COI, COI M-type, ND1) Bogue Chitto AL (32.37014, -87.31969)

UA_1489 (QrumMob003) (COI, ND1) Sipsey River (33.1025, -87.95)

TXA&M_NRI_8382_1 (COI, ND1) Rio Grande (27.602238, -99.580507)

ASUMZ_1460_7 (SK19054) (COI, ND1) Bayou LaGrue (34.09942, -91.16562)

JFBM_22858_3 (SK18157) (COI, COI M-type) Bogue Chitto AL (32.37014, -87.31969)

JFBM_23034_1 (SK19083) (COI, COI M-type) Big Canoe Creek (33.848566, -86.250472)

JFBM_22862_4 (SK18167) (COI, ITS1) Sipsey River (33.331581, -87.761735)

JFBM_22862_3 (SK18166) (COI, COI M-type) Sipsey River (33.331581, -87.761735)

JFBM_22862_1 (SK18164) (COI, ND1) Sipsey River (33.331581, -87.761735)

JFBM_23034_3 (SK19085) (COI, COI M-type) Big Canoe Creek (33.848566, -86.250472)

TXA&M_NRI_8378_3 (SK19164) (COI, ND1) Trinity River (33.305606, -96.607848)

ASUMZ_1234_4 (ND1) Arkansas River (35.11874, -92.5532)

TXA&M_NRI_8378_2 (SK19163) (COI) Trinity River (33.305606, -96.607848)

Mp_4399_ (SK21112) (COI) St. Croix River (45.395003, -92.664611)

JFBM_23178 (152) (COI) Glover River (34.032063, -94.9393)

Mp_4399_ (SK21125) (COI) Little River (33.936448, -94.829126)

JFBM_23034_2 (SK19084) (COI) Big Canoe Creek (33.848566, -86.250472)

TXA&M_NRI_8382_2 (COI) Rio Grande (27.602238, -99.580507)

JFBM_23179_1 (178) (COI) Kiamichi River (34.656876, -95.055331)

ASUMZ_1234_2 (ND1) Arkansas River (35.11874, -92.5532)

ASUMZ_1234_9 (ND1) Arkansas River (35.11874, -92.5532)

Mp_4399_ (SK21127) (COI) Little River (33.936448, -94.829126)

Mp_4399_ (SK21120) (COI) Little River (33.936448, -94.829126)

Mp_4399_ (SK21111) (COI) St. Croix River (45.395003, -92.664611)

Mp_4399_ (SK21123) (COI) Little River (33.936448, -94.829126)

Mp_4399_ (SK21115) (COI) Little River (33.936448, -94.829126)

Mp_4399_ (SK21126) (COI) Little River (33.936448, -94.829126)

ASUMZ_1234_10 (ND1) Arkansas River (35.11874, -92.5532)

ASUMZ_1234_1 (ND1) Arkansas River (35.11874, -92.5532)

Mp_4399_ (SK21119) (COI) Little River (33.936448, -94.829126)

JFBM_23179_2 (179) (COI) Kiamichi River (34.656876, -95.055331)

USA

UF_441088 (COI, 16S, 28S, ITS1, 5.8S, SRA) USA, Texas, San Saba County, San Saba River at CR 104, San Saba River Golf Course, near San Saba, TX (31.20738, -98.68761)

FLMNH_438891_1 (SK19058) (COI M-type, COI, ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

FLMNH_438561_3 (QapiNue088) (COI, COI M-type, ND1, ITS1, 5.8S) Nueces River (28.47405, -98.25166)

UA_3563 (COI, ND1, 28S, ITS1, 5.8S) Ohio River, Ohio drainage (37.8, -87.6569)

FLMNH_438561_1 (SK19094) (COI, COI M-type, ND1, ITS1, 5.8S) Nueces River (28.47405, -98.25166)

FLMNH_438826_1 (SK19086/20049) (COI, ND1, ITS1, 5.8S) Bogue Chitto AL (32.31001, -87.27863)

FLMNH_438561_4 (QapiNue089) (COI, ND1, ITS1, 5.8S) Nueces River (28.47405, -98.25166)

FLMNH_438554_4 (QapiRGr083) (COI, ND1, ITS1, 5.8S) Rio Grande (27.63774, -99.62695)

FLMNH_438826_2 (SK19087/20050) (COI, ND1, ITS1, 5.8S) Bogue Chitto AL (32.31001, -87.27863)

Mp_4399_ (SK19067) (COI, ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

UF_439156 (COI, ND1, ITS1, 5.8S) USA, Ohio, Wood County, Ohio River; Buckley Island backchannel (39.3912312, -81.4209442)

FLMNH_438554_3 (QapiRGr082) (COI, ND1, ITS1, 5.8S) Rio Grande (27.63774, -99.62695)

FLMNH_439196 (SK20035) (COI, ND1, ITS1, 5.8S) Neches River (30.659012, -94.170894)

FLMNH_438884_4 (SK20039) (COI, ND1, ITS1, 5.8S) Pascagoula River (30.63228, -88.652401)

FLMNH_439143 (QapiPrl126) (COI, ND1, ITS1, 5.8S) Bogue Chitto LA (30.62254, -89.87655)

FLMNH_441088 (QapiCol044) (COI, ND1, ITS1, 5.8S) San Saba River (31.20738, -98.68761)

FLMNH_439156 (SK19100) (COI, ND1, ITS1, 5.8S) Ohio River (39.39123122, -81.42094424)

FLMNH_438747 (QapiRGr092) (COI, ND1, ITS1, 5.8S) Rio Grande (27.64193, -99.60222)

JFBM_22865_4 (SK18182) (COI, COI M-type, ITS1, 5.8S) Osage River (38.231031, -92.558275)

FLMNH_438891_1 (SK19069) (COI, ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

FLMNH_438554_2 (QapiRGr081) (COI, ND1, ITS1, 5.8S) Rio Grande (27.63774, -99.62695)

FLMNH_438952_2 (QapiTri113) (COI, ND1, ITS1, 5.8S) Trinity River (32.980521, -97.09841)

FLMNH_438804_1 (SK19097) (COI, ND1, ITS1, 5.8S) Nueces River (28.337458, -98.086636)

FLMNH_438891_8 (SK19065) (COI, ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

FLMNH_438787 (QquaRed002) (COI, ND1, ITS1, 5.8S) Red River (33.854656, -95.341305)

FLMNH_438561_2 (SK19095) (COI, ND1, ITS1, 5.8S) Nueces River (28.47405, -98.25166)

FLMNH_438884_3 (SK20038) (COI, ND1, ITS1, 5.8S) Pascagoula River (30.63228, -88.652401)

FLMNH_439156 (SK19101) (COI, ND1, ITS1, 5.8S) Ohio River (39.39123122, -81.42094424)

FLMNH_438561_5 (QapiNue090) (COI, COI M-type, ND1, ITS1) Nueces River (28.47405, -98.25166)

FLMNH_439156 (SK19102) (COI, ND1, ITS1, 5.8S) Ohio River (39.39123122, -81.42094424)

FLMNH_441182_2 (QapiTri064) (COI, ND1, ITS1, 5.8S) Trinity River (32.592543, -96.486377)

FLMNH_439143 (SK19099) (COI, ND1, ITS1, 5.8S) Bogue Chitto LA (30.62254, -89.87655)

FLMNH_438891_6 (SK19063) (COI, ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

FLMNH_438891_9 (SK19066) (COI, ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

UF_438554 (QapiRGr081) (COI, ND1, ITS1, 5.8S) USA, Texas, Webb County, Rio Grande (site 2), about 300 m upstream of Santa Isabel Creek (27.63774, -99.62695)

FLMNH_438891_2 (SK19059) (COI, ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

FLMNH_438313_1 (SK20010/041) (COI, ND1, ITS1, 5.8S) Trinity River (30.627278, -95.008917)

FLMNH_438801_1 (SK19096) (COI, ND1, ITS1, 5.8S) Nueces River (28.382964, -98.109617)

FLMNH_438891_3 (SK19060) (ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

JFBM_23044_5 (SK19125) (COI, COI M-type, ND1) Mississippi River (42.056605, -90.14924)

JFBM_23045_3 (SK19128) (COI, COI M-type, ND1) Mississippi River (45.030727, -93.282595)

JFBM_23041 (SK19117) (COI, COI M-type, ND1) Mississippi River (43.634071, -91.241814)

FLMNH_438891_5 (SK19062) (ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

JFBM_22865_1 (SK18179) (COI, COI M-type, ND1) Osage River (38.231031, -92.558275)

JFBM_23044_3 (SK19123) (COI, COI M-type, ND1) Mississippi River (42.056605, -90.14924)

FLMNH_438891_1 (SK19068) (ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

FLMNH_438891_7 (SK19064) (ND1, ITS1, 5.8S) Alabama River (31.6139, -87.55)

UMMZ_265699 (COI, 28S) Grand River, MI

JFBM_23044_1 (SK19121) (COI, COI M-type) Mississippi River (42.056605, -90.14924)

JFBM_22865_2 (SK18180) (COI, ND1) Osage River (38.231031, -92.558275)

JFBM_23040_4 (SK19112) (COI, COI M-type) Iowa River (41.555722, -91.519682)

FLMNH_438891_1 (SK19070) (ND1, ITS1) Alabama River (31.6139, -87.55)

JFBM_22865_6 (SK18184) (COI, COI M-type) Osage River (38.231031, -92.558275)

JFBM_22865_5 (SK18183) (COI, COI M-type) Osage River (38.231031, -92.558275)

ASUMZ_QF1 (QfraOua017) (COI, ND1) Ouachita River (33.03438, -92.09618)

JFBM_23044_2 (SK19122) (COI, ND1) Mississippi River (42.056605, -90.14924)

FLMNH_438313_6 (SK20015/046) (COI M-type, COI) Trinity River (30.627278, -95.008917)

JFBM_23043_2 (SK19120) (COI, COI M-type) Mississippi River (43.664114, -91.235728)

ASUMZ_1230_7 (QapiRed139) (COI, ND1) Little River (33.691899, -93.965148)

JFBM_23045_1 (SK19126) (COI, ND1) Mississippi River (45.030727, -93.282595)

JFBM_23042 (SK19118) (COI, ND1) Mississippi River (43.603198, -91.230798)

JFBM_23040_5 (SK19113) (COI, COI M-type) Iowa River (41.555722, -91.519682)

JFBM_23044_4 (SK19124) (COI, ND1) Mississippi River (42.056605, -90.14924)

JFBM_22865_3 (SK18181) (COI, ND1) Osage River (38.231031, -92.558275)

JFBM_23043_1 (SK19119) (COI, COI M-type) Mississippi River (43.664114, -91.235728)

JFBM_23045_2 (SK19127) (COI, ND1) Mississippi River (45.030727, -93.282595)

FLMNH_439156 (QquaOhi016) (COI, ND1) Ohio River (39.39123122, -81.42094424)

TXA&M_NRI_8566_1 (SK19176) (COI, ND1) Little River (33.9762, -94.9322)

ASUMZ_QF5 (QfraOua021) (COI, ND1) Ouachita River (32.95613, -92.07864)

ASUMZ_QF4 (QfraOua020) (COI, ND1) USA: Ouachita River (32.95613 N 92.07864 W)

UAUC_1698 (ND1) Spring R., Cherokee Co., Kansas

JFBM_23040_6 (SK19114) (COI) Iowa River (41.555722, -91.519682)

TXA&M_NRI_8566_2 (SK19177) (COI) Little River (33.9762, -94.9322)

FLMNH_438884_1 (SK20036) (COI M-type) Pascagoula River (30.63228, -88.652401)

UAUC_722 (ND1) Sipsey R., Pickens Co., Alabama

TXA&M_NRI_8566_3 (SK19178) (COI) Little River (33.9762, -94.9322)

JFBM_23040_8 (SK19116) (COI) Iowa River (41.555722, -91.519682)

UAUC_1695 (ND1) Ohio R.,Vanderburgh Co., Indiana

FLMNH_438826_3 (SK20002) (COI) Bogue Chitto AL (32.31001, -87.27863)

FLMNH_438891_4 (SK19061) (ND1) Alabama River (31.6139, -87.55)

UAUC_1044 (ND1) Black Warrior R., Jefferson Co., Alabama

UA_3609 (QquaOhi010) (ND1) USA: Red River KY (37.84167 N 83.76 W)

UAUC_1045 (ND1) Red R., Powell Co., Kentucky

UAUC_331 (ND1) Coosawattee R., Gordon Co., Georgia

JFBM_23040_1 (SK19109) (COI) Iowa River (41.555722, -91.519682)

UAUC_902 (ND1) Muskingum R., Washington Co., Ohio

JFBM_23040_3 (SK19111) (COI) Iowa River (41.555722, -91.519682)

UAUC_435 (ND1) Oostanaula R., Gordon Co., Georgia

JFBM_23040_7 (SK19115) (COI) Iowa River (41.555722, -91.519682)

JFBM_23040_2 (SK19110) (COI) Iowa River (41.555722, -91.519682)

UAUC_2620 (ND1) Neches R., Tyler Co., Texas

 

TXA&M_NRI_8122_1 (COI, ND1, ITS1, 5.8S)

TXA&M_NRI_8470_2 (COI, ND1, ITS1, 5.8S)

FLMNH_441182_1 (QapiTri063) (COI, ND1, ITS1, 5.8S)

TXA&M_NRI_8427_2 (COI, ND1, ITS1, 5.8S)

FLMNH_438951_1 (QapiTri107) (COI, ND1, ITS1, 5.8S)

FLMNH_441004_1 (SK19092) (COI, ND1, ITS1, 5.8S)

FLMNH_441004_2 (SK19093) (COI, ND1, ITS1, 5.8S)

TXA&M_NRI_8427_1 (COI, ND1, ITS1)

TXA&M_NRI_8437_2 (COI, ND1)

JFBM_23111_1 (SK21001) (COI, ND1)

TXA&M_NRI_8656_1 (SK19173) (COI, ND1)

TXA&M_NRI_8584_2 (SK19166) (COI, ND1)

FLMNH_440990_2 (SK20007) (COI, ND1)

JFBM_23111_3 (SK21003) (COI, ND1)

ASUMZ_QF3 (QfraOua019) (COI, ND1)

Mp_2667_H1774 (COI, COII)

Mp_2667_H1774g (COI M-type, COII M-type)

UA_1726 (QspeMob015) (COI, ND1)

JFBM_23111_2 (SK21002) (COI, ND1)

TXA&M_NRI_8122_2 (COI)

TXA&M_NRI_8656_3 (SK19175) (ND1)

TXA&M_NRI_8602_2 (SK19169) (COI)

JBFMC_10006_5 (COI)

TXA&M_NRI_8437_1 (COI)

TXA&M_NRI_8610_2 (SK19172) (COI)

TXA&M_NRI_8602_1 (SK19168) (COI)

TXA&M_NRI_8584_3 (SK19167) (COI)

TXA&M_NRI_8602_3 (SK19170) (COI)

ANSP_A12728 (28S)

UA_20703 (COI)

TXA&M_NRI_8656_2 (SK19174) (ND1)

UA20703 (ND1)

ANSP_397246 (28S)

TXA&M_NRI_8610_1 (SK19171) (COI)

TXA&M_NRI_8584_1 (SK19165) (COI)

Page updated: 09:00:20 Mon 28 Jul 2025

 
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