MUSSELp
 
MUSSELpdb
 
 
Taxonomy
 
 
Geography
 
 
 

Page last updated
Wed 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!

Search the database pages:

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Psoronaias

species Psoronaias guatemalensis (Simpson, 1900): specimens
     4 available nominal species synonyms

Recent Taxonomic Opinions

Psorula guatemalensisGraf & Cummings (2007), Bogan (2010), Pfeiffer et al. (2019), Inoue et al. (2020), Freeman et al. (2025)
Psoronaias kuxensisGraf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Cummings et al. (2025)
Nephronaias hermanniGraf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
Psoronaias guatemalensisGraf & Cummings (2021), Czaja et al. (2023)

Range

Usumacinta basin, Guatemala.

Map of Georeferenced Specimens

species map


Guatemala

specimen
ANSP_45277

creek at Chama, Guatemala

specimen
USNM_362398

Finca de Providencia, Guatemala

specimen
USNM_362398

Finca de Providencia, Guatemala

specimen
UMMZ_108081

Isalbha River, Chama, Guatemala

specimen
INHS_31693

Kux Creek, Chama, Alta Verapaz, Guatemala, 15.61667, -90.55

specimen
ANSP_117094

Kux Creek, Chama, Guatemala

specimen
ANSP_117094

Kux Creek, Chama, Guatemala

specimen
ANSP_117094

Kux Creek, Chama, Guatemala

specimen
FMNH_68336

Kux Creek, Chama, Guatemala

specimen
INHS_82277

Kux Creek, Chama, Guatemala

specimen
MCZ_45465

Kux Creek, Chama, Guatemala

specimen
INHS_82263

Kux Creek, near Chama, Guatemala

specimen
ANSP_76233

Rio Negro, Chama, Guatemala

specimen
UMMZ_123347

small stream near Hacienda Finca, Chama, Alta Vera Paz, Guatemala

specimen
USNM_128991

Usumacinta River, Guatemala

specimen
USNM_128991

Usumacinta River, Guatemala


Mexico

specimen
SMF_3488

Mexico: Arroyo Limón, Staat Tabasco

specimen
SMF_3488

Mexico: Arroyo Limón, Staat Tabasco

specimen
INHS_91083

Rio Seco, Gulf of Mexico - Grijalva - Usumacinta, 1 km SW La Cascada, Cascadas Welib Ha, Chiapas, Mexico

specimen
UF_507901

stream near La Cascada. Chiapas, Mexico 17.375317, -91.76800

Georeferenced Genbank Vouchers


Mexico

UF_507901 (2015-0732). (16S: MK001777, 28S: MK001811, COI: MK001760, go to Genbank) Mexico, Chiapas, stream near La Cascada (17.375317, -91.7968).

UF_507901 (2015-0736). (16S: MK001778, 28S: MK001812, COI: MK001761, go to Genbank) Mexico, Chiapas, stream near La Cascada (17.375317, -91.7968) .