| 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 | Popenaiadini | Popenaias species Popenaias popeii (Lea, 1857): specimens1 available nominal species synonym
 Recent Taxonomic OpinionsPopenaias popeii — Graf & Cummings (2007), Chapman et al. (2008), Chapman et al. (2008), Bogan (2010), Cummings & Graf (2010), ... Dai et al. (2025), Freeman et al. (2025), Chen et al. (2025), FMCS (2025), Cummings et al. (2025)Popenaias popei — ITIS (2012), Haag (2012)
 RangeEndemic to the Rio Grande Basin, Texas and Mexico. Map of Georeferenced Specimens
 Mexico|  USNM_533951
 Canon Espantoso, S of San Vicente, near Cuatro Cienegas, Coahuila, Mexico
 |  USNM_533951
 Canon Espantoso, S of San Vicente, near Cuatro Cienegas, Coahuila, Mexico
 |  INHS_29013
 Rio Sabinas, W of Rio Villa de San Juan on Hwy. 20, Coahuila, Mexico
 |  |  USNM_1283220
 Rio Salado, 8 km southwest of Progresso, Coahuila, Mexico
 |  USNM_120920
 Rio Salado, near Leon, Mexico
 |  USNM_120920
 Rio Salado, near Leon, Mexico
 |  |  USNM_85895
 Rio Salado, near Leon, Mexico
 |  USNM_85895
 Rio Salado, near Leon, Mexico
 |  USNM_85895B
 Rio Salado, Nuevo Leon, Mexico
 | 
 INHS_29012. Rio Sabinas, Gulf of Mexico - Rio Grande del Norte - Salado, W of Rio Villa de San Juan on Hwy. 20,  Coahuila, Mexico 
 USA|  ANSP_341891
 Devils River, Comstock, Val Verde Co., Texas
 |  ANSP_341891
 Devils River, Comstock, Val Verde Co., Texas
 |  ANSP_341891
 Devils River, Comstock, Val Verde Co., Texas
 |  |  ANSP_341891
 Devils River, Comstock, Val Verde Co., Texas
 |  ANSP_341891
 Devils River, Comstock, Val Verde Co., Texas
 |  USNM_118394
 Devils River, Texas
 |  |  USNM_252546
 Devils River, Texas
 |  USNM_25735
 Devils River, Texas
 |  USNM_464728
 Devils River, Val Verde Co., Texas
 |  |  UF_269336
 Kinney Co., Texas
 |  MCZ_295007
 Las Moras Creek, [Fort Clark] Kinney Co., Texas
 |  USNM_01
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  |  USNM_01
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  USNM_01
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  USNM_01
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  |  USNM_01
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  USNM_130175
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  USNM_130175
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  |  USNM_151538
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  USNM_308943
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  USNM_308943
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  |  USNM_308943
 Las Moras Creek, Fort Clark, Kinney Co., Texas
 |  NCSM_45778
 North America, Rio Grand Basin/Pecos R. United States, New Mexico, Eddy Co. Black River ca. 0.8 air miles north of and 1.9 air miles downstream (east of ) John D. Forehand (Old Covern) Road crossing, Davis Ranch. [1.01 air miles SW center Harkeys Crossing], [Bond Draw Quad]. T.24 R.27E S.08 NW or SE 32.2204° N, 104.2104° W
 |  NCSM_35330
 North America, Rio Grande Basin/Pecos R., United States, New Mexico, Eddy Co. Black River, found through a 7 km. reach between Black River Village and Carlsbad Irrigation District Dam, [point estimated at center of Black River Village ro 4.5 air miles NE center Black River Village, [Bond Draw and Black River Village Quads.] Lat/Long: Start:32.20196° N, 104.2506°W; End: 32.82084° N, 104.1958°W
 |  |  ANSP_91432
 North Spring River, Roswell, N.M.
 |  USNM_168765
 North Spring River, Roswell, New Mexico, Pecos Valley, Alt. 3375 ft.
 |  USNM_168765
 North Spring River, Roswell, New Mexico, Pecos Valley, Alt. 3375 ft.
 |  |  USNM_709228
 Pecos River, about 5 mi SW Pandale and 0.3 mi n Bed Rock Crossing on road from Pandale to Langtry, Val Verde Co., Texas
 |  USNM_709228
 Pecos River, about 5 mi SW Pandale and 0.3 mi n Bed Rock Crossing on road from Pandale to Langtry, Val Verde Co., Texas
 |  ANSP_346884
 Pecos River, at bridge approx. 5 mi S Pandale, Val Verde Co., Texas
 |  |  ANSP_346884
 Pecos River, at bridge approx. 5 mi S Pandale, Val Verde Co., Texas
 |  USNM_487417
 Pecos River, Eddy County, T23S, R28E, sec. 24, New Mexico
 |  USNM_487417
 Pecos River, Eddy County, T23S, R28E, sec. 24, New Mexico
 |  |  USNM_592723
 Pecos River, Malaga Bend, Eddy County, New Mexico
 |  USNM_592723
 Pecos River, Malaga Bend, Eddy County, New Mexico
 |  USNM_592723
 Pecos River, Malaga Bend, Eddy County, New Mexico
 |  |  USNM_464732
 Pecos River, near Barstow, Ward Co., Texas
 |  USNM_464732
 Pecos River, near Barstow, Ward Co., Texas
 |  USNM_758208
 Pecos River, under Bataan Bridge, Carlsbad, Eddy County, New Mexico
 |  |  USNM_758208
 Pecos River, under Bataan Bridge, Carlsbad, Eddy County, New Mexico
 |  ANSP_85268
 Pecos River, Val Verde Co., Texas
 |  ANSP_85268
 Pecos River, Val Verde Co., Texas
 | 
 FMNH_29672. Pecos River, Carlsbad, Eddy Co., New Mexico, USA DMNH_150153. Pecos River, under Bataan Bridge, Carlsbad, Eddy County, New Mexico UMMZ_172003. Pecos River, under Bataan Bridge, Carlsbad, Eddy County, New Mexico Georeferenced Genbank Vouchers
 USAUF_438742-6641. (28S: MK036109, 5.8S: MK036192, COI: MK044941, ITS1: MK036192, ND1: MK045092, go to Genbank) Devils River, Rio Grande drainage (29.9036, -101.009). UF_438742-6642. (28S: MK036110, 5.8S: MK036193, COI: MK044942, ITS1: MK036193, ND1: MK045093, go to Genbank) ditto. UF_438742-6643. (28S: MK036108, 5.8S: MK036191, COI: MK044940, ITS1: MK036191, ND1: MK045091, go to Genbank) ditto. UAUC_3161. (16S: AY655073, 5.8S: KY207340, COI: AY655020, ITS1: KY207340, ND1: AY655118, go to Genbank) Rio Grande River, Lincoln-Juarez Bridge, Laredo, Webb Co. TX. UF_438742. (SRA: SRR8473050, go to Genbank) USA, Texas, Val Verde County, Devils River, upstream of road access at Devils River State Natural Area (mussels from riffle 200 m upstream of Finegan Springs) (29.90364, -101.00903). UF_438742 (ICH-02401). (16S: MK001785, 28S: MK001819, COI: MK001768, go to Genbank) ditto. NRI_8696_1. (16S: MT561694, COI: MT553976, go to Genbank) USA: Devils River, Texas. NRI_8696_2. (16S: MT561695, COI: MT553977, go to Genbank) ditto. NRI_8696_3. (16S: MT561696, COI: MT553978, go to Genbank) ditto. NRI_8696_4. (16S: MT561697, COI: MT553979, go to Genbank) ditto. NRI_8696_5. (16S: MT561698, COI: MT553980, go to Genbank) ditto. NRI_8696_6. (16S: MT561699, COI: MT553981, go to Genbank) ditto. NRI_8696_7. (16S: MT561700, COI: MT553982, go to Genbank) ditto. NRI_8696_8. (16S: MT561701, COI: MT553983, go to Genbank) ditto. NRI_8204_1. (16S: MT561686, COI: MT553968, go to Genbank) USA: Rio Grande, Texas. NRI_8265_1. (16S: MT561687, COI: MT553969, go to Genbank) ditto. NRI_8385_1. (16S: MT561688, COI: MT553970, go to Genbank) ditto. NRI_8385_2. (16S: MT561689, COI: MT553971, go to Genbank) ditto. NRI_8385_3. (16S: MT561690, COI: MT553972, go to Genbank) ditto. NRI_8385_4. (16S: MT561691, COI: MT553973, go to Genbank) ditto. NRI_8385_5. (16S: MT561692, COI: MT553974, go to Genbank) ditto. NRI_8385_6. (16S: MT561693, COI: MT553975, go to Genbank) ditto. |