MUSSELpdb | valid sp. Psoronaias semigranosa specimens

	Home \| About \| Database \| Mussel of the Month \| Publications & Presentations


MUSSELpdb
	Introduction Browse d'basing


Taxonomy
	all genera Unionidae Margaritiferidae Hyriidae Etheriidae Mycetopodidae Iridinidae Species & Genus Richness by Taxonomy


Geography
	Summary North America Central America South America Afrotropics North Eurasia East Asia Australasia Species Richness & Endemism by Geography

Page last updated
Thu 15 May 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.

Search the database pages:

species Psoronaias semigranosa (von dem Busch in Philippi, 1843): specimens
15 nominal species as synonyms

Taxonomic History (since 2007)

Psoronaias semigranosa — Graf & Cummings (2007), Bogan (2010), Pfeiffer et al. (2019), Pfeiffer et al. (2019), Inoue et al. (2020), Smith et al. (2020), Graf & Cummings (2021), Czaja et al. (2023)
Psoronaias crocodilorum — Graf & Cummings (2007), Bogan (2010)
Psoronaias morini — Graf & Cummings (2007), Bogan (2010)
Psorula rudis — Graf & Cummings (2007), Bogan (2010), Pfeiffer et al. (2019), Inoue et al. (2020)
Psoronaias testudinarea — Bogan (2010)
Psoronaias psorica — Bogan (2010)

Range: Guatemala to southern Mexico.

Map of Georeferenced Specimens
species map

Guatemala
ANSP_185944 Rio Pasion, between Sabol and Sayaxche, Guatemala	ANSP_41665 Rio de la Pasion	MNHN_MP_0023 Rio Usumacinta, Guatemala
MNHN-IM-2000-1667 Rio Usumacinta, Guatemala	ZMB_39466 Rio de las Salinas, Guatemala	USNM_347187 Rio Usumacinta, Tabasco, Mexico
SMF_15026 Rio de la Passion, Guatemala	UMMZ_65558 San Pedro River, 4-6 mi E Paso Caballo, Dept. Peten, Guatemala	UMMZ_65557 San Pedro River, Mactun, Dept. Peten, Guatemala
UMMZ_65556 Arroyo Chocop, about 12 mi above Mactun, Dept. Peten, Guatemala	UMMZ_65555 Subin River, Santa Teresa, Dept. Peten, Guatemala	UMMZ_65554 Subin River, about 2 mi above mouth, Dept. Peten, Guatemala
UMMZ_65553 Pasion River, below Sayarche [=Sayaxche], Dept. Peten, Guatemala	UMMZ_65552 Pasion River, at mouth of Rio Martin, Dept. Peten, Guatemala	UMMZ_65551 Pasion River, above mouth of Rio Santa Monica, Dept. Peten, Guatemala
UMMZ_65550 Pasion River, at Sayanche [=Sayaxche], Dept. Peten, Guatemala	UMMZ_65549 Pasion River, about 13 mi above Sayache [=Sayaxche], Dept. Peten, Guatemala	UMMZ_65548 Pasion River, at Santa Amelia, Dept. Peten, Guatemala
UMMZ_65547 Pasion River, at Tres Islas, Dept. Peten, Guatemala	UMMZ_65546 Pasion River, at road above Tres Islas, Dept. Peten, Guatemala	UMMZ_65545 Pasion River, at Cambio, Dept. Peten, Guatemala
UMMZ_65543 Pasion River, at Embuido rapids, above Porvenir, Dept. Alta Vera Paz, Guatemala	UMMZ_65542 Pasion River, at rodal de Caresal, above Porvenir, Dept. Alta Vera Paz, Guatemala	UMMZ_65541 Pasion River, at first arroyo below mouth of Rio San Simon, Dept. Alta Vera Paz, Guatemala
USNM_783057 Rio de la Pasion, Santa Amelia, Peten, Guatemala	UMMZ_76912 Guatemala	UMMZ_65544 Pasion River, Rodal “Grande”, Alta Vera Paz, Guatemala
MNHN_MP_1343 Rio Usumacinta, Guatemala	BMNH_1965161-162 flumen Usumacinta, Guatemala	BMNH_1893-2-4-2030 River Usumacinta, Central America
BMNH_1893-2-4-2031 River Usumacinta, Guatemala	BMNH_1908-12-15-4 River Usumacinta, Guatemala	USNM_84210 Rio Taxtunilha, (tributary to the Rio de la Pasion), Guatemala
UF_507905 Rio De La Pasion, 5.5 miles east of Sayaxche, El Peten Department, Guatemala 16.536339, -90.103900	UF_507908 Rio De La Pasion, 5.5 miles east of Sayaxche, El Peten Department, Guatemala 16.536339, -90.103900	USNM_128992_01 Usumacinta R., Guatemala
USNM_783046 Rio San Pedro, Mactun, 96 km below Paso Caballas, Peten, Guatemala	BMNH_94-3-22-2 flumen Usumacinta, Guatemala	USNM_783050 Rio de la Pasion, Santa Amelia, Peten, Guatemala
USNM_783055 Rio de la Pasion, Santa Amelia, Guatemala	USNM_783058 Rio de la Pasion, Santa Amelia, Guatemala	USNM_783059 Rio de la Pasion, Santa Amelia, Guatemala
USNM_783061 Rio de la Pasion, Santa Amelia, Guatemala	USNM_783062 Rio de la Pasion, Santa Amelia, Guatemala	USNM_783063 Rio de la Pasion, Santa Amelia, Guatemala
BMNH_93-2-4-2026 Rio Usumacinta, Guatemala	INHS_24857 Rio Petexbatum, Peten, Guatemala	INHS_24858 Rio Usumacinta, Alter of Sacrifice, Peten, Guatemala
AMNH_140571 Rio de la Pasion, Santa Amelia, Peten, Guatemala	AMNH_140570 Rio de la Pasion, Peten, Guatemala	BMNH_94-3-22-1 flumen Usumacinta, Guatemala
AMNH_140566 Rio San Pedro, Mactun, 96 km below Paso Caballas, Peten, Guatemala	AMNH_140562 Rio de la Pasion, Santa Amelia, Peten, Guatemala	AMNH_140563 Rio San Pedro, Mactun, 96 km below Paso Caballas, Peten, Guatemala
USNM_795111 Rio San Pedro, Mactun, 96 km below Paso Caballas, Peten, Guatemala	ANSP_125582 Rio Taxtunilha, (trib. to Rio de la Pasion), Guatemala	OSUM_18870 Usumacinta River, Machtun, 96 km below Paso Caballos [at or very near Mexican border]
MCZ_270070 3 mi above mouth Rio Santa Amelia, Peten, Guatemala	MCZ_270072 Rio de la Pasion, Santa Amelia, Peten, Guatemala	MCZ_270075 Rio de la Pasion, Treasure Island, Peten, Guatemala
MCZ_270076 Rio de la Pasion, Peten, Guatemala	MCZ_270077 Rio de la Pasion, Treasure Island, Peten, Guatemala	MCZ_270078 3 mi above mouth Rio Santa Amelia, Peten, Guatemala
MCZ_293589 Usumacinta River, Yaxchilan, 106 mi downstream from Sayache, Mexico	MCZ_270071 3 mi above mouth Rio Santa Amelia, Peten, Guatemala	MCZ_270073 3 mi above mouth Rio Santa Amelia, Peten, Guatemala
MCZ_270074 3 mi above mouth Rio Santa Amelia, Peten, Guatemala
COMA_2048 Rio Usumacinta, Tabasco, Mexico BMNH_1893-2-4-2032 River Usumacinta, Guatemala
Mexico
MCZ_72567 Balancan in Usumacinta R., Tabasco, Mexico	UF_267279 Lago de Jalpan, Queretaro, Mexico	ANSP_129925 Texas
ANSP_138664 Hacienda Reforma on the San Pedro River, trib. of the Usumacinta above Balancan, Mexico	USNM_347183 Estera del Avileno, Tamaulipas, Mexico	BMNH_MP_415 Tampico, Mexico
ANSP_62937 lower part of Rio Tulija, State Tabasco, Mexico	UF_517941 Rio San Pedro, Bahia Campeche 3 km N of La Palma Tabasco, Mexico	INHS_89427 Laguna la Nacha, 28 km E of San Fernando, 118 km SSW of Matamoros, Tamaulipas, Mexico
UF_270399 Chiapas, Mexico	INHS_89433 Rio San Fernando, Cisneros Bridge, Tamaulipas, Mexico	UF_270520 Mexico
ZMB_MP_0487 Tampico, Mexico	ZMB_MP_0486 Mexico	ZMB_MP_0475 Mexico
INHS_89439 Rio Tampaón [22 km SSW of Ciudad Valles, 38 km S of Tamuin, 132 km WSW of Tampico], San Luis Potosi, Mexico	ZMB_MP_0483 Tampico, Mexico	INHS_89444 Rio Pánuco, 18 km WSW of Panuco, 55 km SW of Tampico [Oviedo], Tamaulipas, Mexico
USNM_161475 Monte Cristo, Tabasco, Mexico	USNM_220015 Panuco R., Tampico, Mexico	USNM_251192 Rio Usumacinta, near Jonuta, Tabasco, Mexico
USNM_347184 Estera del Avileno, Tamaulipas, Mexico	USNM_359337 near San Cristobal, Mexico	USNM_675260 Rio Usumacinta, Tabasco, Emillano Zapata, Mexico
MNHN-IM-2000-1761 Mexique	USNM_675261 Rio Usumacinta, 9.4 mi NNW Emillano Zapata, Mexico	USNM_795616 trib. of Rio Grijalva, 1 km above Villa Hermosa, Tabasco, Mexico
USNM_795617 pond W of Rio Grijalva, about 3 km above Villahermosa, Tabasco, Mexico	USNM_84334 Rio Panuco, near Tampico, Mexico	USNM_84335 Mexico
MNHN_MP_1340 Mexico	BMNH_1965209 Chiapas, Mexico	UF_378849 Rio Usumacinta, Emilliano Zapata, Tabasco, Mexico 17.7333, -91.8
UF_507899 Usumacinta River, opposite of Emiliano Zapata. Tabasco, Mexico. 17.749685, -91.766995	NCSM_61424 Rio Pánuco, at Pánuco, Vera Cruz	NCSM_61426 Rio Sabinas, Hwy. 85, @18 km E Gomez Farias, Tamaulipas, Mexico
INHS_91079 Rio Saguila, Gulf of Mexico - Grijalva - Usumacinta - Chacamax, SE Emiliano Zapata, off Rt. 10, fish camp, Tabasco, Mexico	INHS_91077 Rio Saguila, Gulf of Mexico - Grijalva - Usumacinta - Chacamax, SE Emiliano Zapata, off Rt. 10, fish camp, Tabasco, Mexico	INHS_91078 Rio Saguila, Gulf of Mexico - Grijalva - Usumacinta - Chacamax, SE Emiliano Zapata, off Rt. 10, fish camp, Tabasco, Mexico
BMNH_93-2-4-2033 Rio Usumacinta, Tabasco	BMNH_1907-10-28-181 Mexico	USNM_267924 Rio Usumacinta, 9.4 mi NNW Emillano Zapata, Tabasco, Mexico
USNM_1282609 Rio Carrizal, at Rt. Mex. 180 in Nuevo Progreso, ca. 20.8 mi N of road divergence (on Rt. Mex. 180) to Aldma and Est. Manuel, Tamaulipas, Mexico	BMNH_196496 Mexico	INHS_24860 Rio Usumacinta, Boca Lacantum, Chiapas, Mexico
BMNH_1907-10-28-261 Mexico	AMS_102111 Rio Usumacinta, Emiliano Zapata, Tabasco, Mexico	UF_164057 Rio San Pedro, 3 km N La Palma, Tabasco, Mexico.
UF_164058 Rio San Pedro, 3 km N La Palma, Tabasco, Mexico.	UF_164059 Rio San Pedro, 3 km N La Palma, Tabasco, Mexico.	MCZ_152861 near Tampico, Mexico
UF_164065 Rio San Pedro, Cascadas de la Reforma, 7 km N and 7 km E El Aguila, Tabasco, Mexico	AMNH_51408 Mexico	AMNH_30508 Tampico, Mexico
UF_164066 Rio San Pedro, Cascadas de la Reforma, 7 km N and 7 km E El Aguila, Tabasco, Mexico	UF_164067 Rio San Pedro, Limon, Tabasco, Mexico	UF_190664 Rio Usumacinta, Emiliano Zapata, Tabasco, Mexico
ANSP_125583 Texas	USNM_1282620 Rio Tamuin [Tampaón], at Mex. 85 just S of Alvero Obregon, S of Ciudad Valles, San Luis Potosi, Mexico.	MCZ_221685 Mexico
MCZ_270065 Rio Panuco, Mexico	MCZ_288412 Rio Usumacinta, Emiliano Zapata, Tabasco, Mexico	USNM_1282607 Rio Tamuin [Tampaón], at Mex. 85 just S of Alvero Obregon, S of Ciudad Valles, San Luis Potosi, Mexico.
USNM_1282621 San Luis Potosi, Rio Huichiuayan at road to Xilitla ca. 0.7 road miles from its junction with Rt. Mex. 85 (this junction is ca. 43.6 roadmiles S of junction of Rt. Mex. 85 and Rt. Mex. 70 in Ciudad Valles). N21°25'30" W9?°54'30"	USNM_1282608 San Luis Potosi, Rio Huichiuayan at road to Xilitla ca. 0.7 road miles from its junction with Rt. Mex. 85 (this junction is ca. 43.6 roadmiles S of junction of Rt. Mex. 85 and Rt. Mex. 70 in Ciudad Valles). N21°25'30" W9?°54'30"
COMA_B.0392 Rio González, Laguna del Horizonte, Tabasco, México UF_529129 Rio San Pedro, Bahia Campeche 3 km N of La Palma Tabasco, Mexico BMNH_93-2-4-2034 Rio Usumacinta, Tabasco COMA_B.1053 Río Candelaria, Campeche, México COMA_B.0720 Río Usumacinta, Tabasco, México MCZ_288418b small river, 3 mi SE Emiliano Zapata, Tabasco, Mexico
unknown
FMNH_15001 [no locality available - Central America]	ZMB_MP_0467 [no locality available - Central America]	ZMB_22255 Central America [locality illegible]
ZMB_MP_0472 [no locality available - Central America]	ZMB_MP_0490 Amer Mer.

Genbank Vouchers

Mexico

UF_507899 (2015-0722) (COI, 16S, 28S) Mexico, Tabasco, Usumacinta River, opposite Emiliano Zapata (17.749685, -91.766995)

UF_507899 (2015-0726) (COI, 16S, 28S) Mexico, Tabasco, Usumacinta River, opposite Emiliano Zapata (17.749685, -91.766995)

UF_507899 (SRA) Mexico, Tabasco, Usumacinta River, opposite Emiliano Zapata (17.749685, -91.766995)

Z_12451 (2015-0531) (COI, 16S, 28S)

Z_12441 (2015-0520) (COI, 16S, 28S)

Page updated: 08:02:02 Thu 15 May 2025

"Making the world a better place, one mollusk at a time."
	The MUSSEL Project — Home Page http://www.mussel-project.net/. Site developed and maintained by Dan Graf & Kevin Cummings. Hosted by The University of Wisconsin-Stevens Point. Funded by The National Science Foundation.