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Data last updated
Mon 1 Dec 2025
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Bivalvia
| Unionoida
| Unionoidea
| Unionidae
| Ambleminae
| Popenaiadini
| Nephronaias
species Nephronaias calamitarum (Morelet, 1849): specimens5 available nominal species synonyms (12 total synonyms)
Recent Taxonomic Opinions
Nephronaias calamitarum — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)
Range
Southern Mexico to Guatemala.
Map of Georeferenced Specimens
MUSSELp Specimen Records
Guatemala
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 UMMZ_65539 Arroyo Chocop, about 12 mi above Mactun, Dept. Peten, Guatemala
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 USNM_252119 Atlantic Drainage, Guatemala
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 ZMB_24206B Coban, Guatemala
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 INHS_21775 Conchins River, Guatemala
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 USNM_250686 Finca de Providencia, Guatemala
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 USNM_250686 Finca de Providencia, Guatemala
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 AMNH_97358 Lake Peten, 2 mi SE Flores, Arroyo Pontiel, Guatemala
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 INHS_21776 Livingston, Guatemala
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 UF_229381 Livingston, Guatemala
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 MCZ_99991 Rio Blanco, Guatemala
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 UMMZ_107981 Rio Blanco, Guatemala
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 UMMZ_108013 Rio Blanco, Guatemala
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 CM_61.6194 Rio Blanco, Livingston, Guatemala
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 CM_61.6195 Rio Blanco, Livingston, Guatemala
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 INHS_21778 Rio Blanco, Livingston, Guatemala
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 MCZ_23329 Rio Blanco, Livingston, Guatemala
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 MCZ_99994 Rio Blanco, Livingston, Guatemala
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 USNM_271023 Rio Blanco, Livingston, Guatemala
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 FMNH_198383 Rio Blanco, near Livingston, Guatemala
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 FMNH_59270 Rio Blanco, near Livingston, Guatemala
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 FMNH_67973 Rio Blanco, near Livingston, Guatemala
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 INHS_21777 Rio Blanco, near Livingston, Guatemala
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 MCZ_20915 Rio Blanco, near Livingston, Guatemala
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 MCZ_302383 Rio Blanco, near Livingston, Guatemala
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 UMMZ_107983 Rio Blanco, near Livingston, Guatemala
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 UF_93201 Rio Blanco, nr. Livingston, Izabel Prov., Guatemala
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 UF_93202 Rio Blanco, nr. Livingston, Izabel Prov., Guatemala
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 MCZ_45446 Rio Blanco, opposite Livingston, Guatemala
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 MCZ_45966 Rio Blanco, opposite Livingston, Guatemala
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 MCZ_63013 Rio Blanco, trib. of Rio Dulce, opposite Livingston, Guatemala
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 MNHN_MP_1313 Rio Dulce, Livingston, Guatemala
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 MNHN_MP_1313 Rio Dulce, Livingston, Guatemala
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 UMMZ_65538 San Pedro River, Mactun, Dept. Peten, Guatemala
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 UMMZ_149474 small stream in town of Panzos, Alta Vera Paz, Guatemala
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 USNM_128989 System de Polochic, Guatemala
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Mexico
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 BMNH_1907-12-30-377 Baluntie, near Palenque
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 BMNH_93-2-4-2008 Baluntie, near Palenque
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 BMNH_93-2-4-2008 Baluntie, near Palenque
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 BMNH_93-2-4-2009 Baluntie, near Palenque
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 BMNH_93-2-4-2009 Baluntie, near Palenque
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 BMNH_93-2-4-2010 Baluntie, near Palenque
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 BMNH_93-2-4-2010 Baluntie, near Palenque
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 MNHN-IM-2000-1653 dans le Michol aux env de Palenque
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 MNHN-IM-2000-1653 dans le Michol aux env de Palenque
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 USNM_251191 Lake, Playa at Catasaja, Mexico
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 USNM_251191 Lake, Playa at Catasaja, Mexico
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 BMNH_1900-3-19-22 Mexico
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 BMNH_1900-3-19-22 Mexico
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 BMNH_1900-3-19-22 Mexico
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 USNM_86104 Mexico
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 USNM_86104 Mexico
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 INHS_90948 Rio Michol, Gulf of Mexico - Grijalva - Usumacinta - Tulija - Michol, 6.9 mi WSW Palenque, near ruins in cow pasture, Chiapas, Mexico
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 FMNH_32928 stream, near the ruins at Palenque, Chiapas, Mexico
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 INHS_91070 trib. Usumacinta, Gulf of Mexico - Grijalva - Usumacinta, downstream waterfall at Cascada de Misol Ha, near Cabanas, Chiapas, Mexico
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unknown
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 AMNH_30268 [no locality available - Central America]
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Genbank Vouchers
There are no georeferenced Genbank vouchers for this species in the MUSSELpdb.
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