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Page last updated
Thu 3 September 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 | Micronaias

species Micronaias arata (Lea, 1843): specimens
     2 available nominal species synonyms (3 total synonyms)

Recent Taxonomic Opinions

Micronaias arataGraf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Cummings et al. (2025)

Range

Lakes Nicaragua and Managua, Nicaragua.

Map of Georeferenced Specimens

species map


Nicaragua

specimen
USNM_84395

[Lake Nicaragua, Nicaragua]

specimen
USNM_84395

[Lake Nicaragua, Nicaragua]

specimen
FMNH_28982

Juigalpa, Departmento de Chontales, Nicaragua

specimen
FMNH_28982

Juigalpa, Departmento de Chontales, Nicaragua

specimen
ANSP_56541

L. Nicaragua

specimen
ANSP_126427

Lake Nicaragua

specimen
USNM_104170

Lake Nicaragua

specimen
AMS_140913

Lake Nicaragua, ca. 2 km S Grenada, Nicaragua

specimen
ANSP_90257

Lake Nicaragua, Nicaragua

specimen
USNM_84394

Lake Nicaragua, Nicaragua

specimen
USNM_84394

Lake Nicaragua, Nicaragua

specimen
UF_125047

Managua, Uca Conchological Center, near Airport, Managua, Nicaragua

specimen
MCZ_16239

Nicaragua

specimen
MCZ_MP_272

Nicaragua

specimen
UMMZ_108007

Nicaragua

specimen
USNM_1096684

Nicaragua

specimen
USNM_31463

Nicaragua

specimen
USNM_59878

Nicaragua

specimen
USNM_59880

Nicaragua

specimen
USNM_59882

Nicaragua

specimen
USNM_59886_01

Nicaragua

specimen
ZMB_117922

Nicaragua

specimen
ZMB_MP_0544

Nicaragua

specimen
UF_125050

Ometepe Rivas, San Jose del Sur, Concepcion Volcano, Ometep I., El quiste I, Masaya Department, Nicaragua 11° 28’32” N, 85° 37’ 30” W

specimen
USNM_638091

S bank San Juan River, Finca de Palo de Arco, 18 km below outlet of Lago Nicaragua

specimen
USNM_638091

S bank San Juan River, Finca de Palo de Arco, 18 km below outlet of Lago Nicaragua

specimen
ZMB_MP_0468

See von Managua, Nicaragua

specimen
ZMB_MP_0484

See von Managua, Nicaragua

specimen
ANSP_125662

Vera Cruz, Mexico [not likely - Nicaragua]


unknown

specimen
ZMB_MP_0489

Central America