Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Mesonaias

species Mesonaias explicata (Morelet, 1849): specimens

5 available nominal species synonyms (12 total synonyms)

Recent Taxonomic Opinions

Cyrtonaias explicata — Graf & Cummings (2007), Bogan (2010), Pfeiffer et al. (2019), Inoue et al. (2020), Graf & Cummings (2021), Czaja et al. (2023), Freeman et al. (2025)
Sphenonaias microdon — Graf & Cummings (2007), Bogan (2010), Pfeiffer et al. (2019), Inoue et al. (2020), Graf & Cummings (2021), Czaja et al. (2023), Freeman et al. (2025)
Cyrtonaias livida — Graf & Cummings (2007), Bogan (2010), Czaja et al. (2023)
Potamilus rovirosai — Graf & Cummings (2007), Bogan (2010), Czaja et al. (2023)
Cyrtonaias sapperi — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)
Cyrtonaias umbrosa — Graf & Cummings (2021)
Mesonaias explicata — Cummings et al. (2025)
Sphenonaias explicata — Campbell & Lydeard (2026)

Range

Usumacinta River, Mexico and Guatemala. (Central America: CA1)

Map of Georeferenced Specimens

specimens map of Mesonaias explicata

MUSSELp Specimen Records

Guatemala

image of lot SMF_3477
SMF_3477
Río Chixoy, Nebemfld. Río Usumacinta, Guatemala

image of lot SMF_3477
SMF_3477
Río Chixoy, Nebemfld. Río Usumacinta, Guatemala

image of lot SMF_3478
SMF_3478
Rio Chixoy, Nebenfl. d. Rio Usumacinta, Guatemala

image of lot USNM_128995
USNM_128995
Rio Chixoy, Rompido, Peten, Guatemala

image of lot USNM_128995
USNM_128995
Rio Chixoy, Rompido, Peten, Guatemala

image of lot UF_507903
UF_507903
Rio De La Pasion, 5.5 miles east of Sayaxche, El Peten Department, Guatemala 16.536339, -90.103900

image of lot USNM_783045
USNM_783045
Rio de la Pasion, Guatemala

image of lot USNM_783045
USNM_783045
Rio de la Pasion, Guatemala

image of lot OSUM_18872
OSUM_18872
Rio de la Pasion, Peten, Guatemala

image of lot AMNH_140572
AMNH_140572
Rio de la Pasion, Treasure Island, Peten, Guatemala

image of lot ZMB_39465
ZMB_39465
Rio de las Salinas, Guatemala

image of lot ZMB_39465
ZMB_39465
Rio de las Salinas, Guatemala

image of lot MNHN_IM-2000-1693
MNHN_IM-2000-1693
Rio Usumacinta, Guatemala

image of lot MNHN_IM-2000-1693
MNHN_IM-2000-1693
Rio Usumacinta, Guatemala

image of lot BMNH_20190695
BMNH_20190695
Rio Usumacinta, Guatemala

image of lot BMNH_20190695
BMNH_20190695
Rio Usumacinta, Guatemala

image of lot BMNH_20190695
BMNH_20190695
Rio Usumacinta, Guatemala

image of lot MNHN_MP_1297
MNHN_MP_1297
Rio Usumacinta, Guatemala

image of lot MNHN_MP_1297
MNHN_MP_1297
Rio Usumacinta, Guatemala

Mexico

image of lot MCZ_288415
MCZ_288415
3 mi SE Emiliano Zapata, Tabasco, Mexico

image of lot MCZ_288415
MCZ_288415
3 mi SE Emiliano Zapata, Tabasco, Mexico

image of lot MCZ_288415
MCZ_288415
3 mi SE Emiliano Zapata, Tabasco, Mexico

image of lot BMNH_93-2-4-2027
BMNH_93-2-4-2027
flumen Usumasinta, ad pagum Balancan Tabascensium [Mexico].

image of lot BMNH_93-2-4-2027
BMNH_93-2-4-2027
flumen Usumasinta, ad pagum Balancan Tabascensium [Mexico].

image of lot SMF_12407
SMF_12407
La Bola, Rio Lacantun, Nebenfl. d Rio Grijalva, Chiapas, Mexico

image of lot SMF_12407
SMF_12407
La Bola, Rio Lacantun, Nebenfl. d Rio Grijalva, Chiapas, Mexico

image of lot ANSP_58916
ANSP_58916
Laguna de Atasta, nr. S.J. Bautista, Tabasco, Mex.

image of lot SMF_12410
SMF_12410
Mexico

image of lot SMF_12415
SMF_12415
Rio de la Concordia, Nebenfl. d Rio Grijalva, Chiapas, Mexico

image of lot SMF_12408
SMF_12408
Rio Grijalva, Chiapas, Mexico

image of lot UF_164047
UF_164047
Rio San Pedro, 3 km N La Palma, Tabasco, Mexico.

image of lot UF_164060
UF_164060
Rio San Pedro, 3 km N La Palma, Tabasco, Mexico.

image of lot UF_164530
UF_164530
Rio San Pedro, 4 km N La Palma, Tabasco, Mexico

image of lot AMS_102110
AMS_102110
Rio Usumacinta, 5.5 mi SE Emillano Zapata, Tabasco, Mexico

image of lot INHS_24861
INHS_24861
Rio Usumacinta, Boca Lacantum, Chiapas, Mexico

image of lot UF_190666
UF_190666
Rio Usumacinta, Emiliano Zapata, Tabasco, Mexico

image of lot UF_190667
UF_190667
Rio Usumacinta, Emiliano Zapata, Tabasco, Mexico

image of lot USNM_160741
USNM_160741
Rio Usumacinta, Monte Cristo, Tabasco, Mexico

image of lot USNM_160741
USNM_160741
Rio Usumacinta, Monte Cristo, Tabasco, Mexico

image of lot AMS_102123
AMS_102123
small river, 3 mi SE Emiliano Zapata, Tabasco, Mexico

image of lot MCZ_288418
MCZ_288418
small river, 3 mi SE Emiliano Zapata, Tabasco, Mexico

image of lot MCZ_288418
MCZ_288418
small river, 3 mi SE Emiliano Zapata, Tabasco, Mexico

image of lot MCZ_288418
MCZ_288418
small river, 3 mi SE Emiliano Zapata, Tabasco, Mexico

image of lot UF_507898
UF_507898
Usumacinta River, opposite of Emiliano Zapata. Tabasco, Mexico. 17.749685, -91.766995

ZMA_418019. Mexico

GenBank Vouchers

Georeferenced GenBank Vouchers

Mexico

UF_507898 (2015-0719). (16S: MK001801, 28S: MK001835, COI: MK001769, go to GenBank) Mexico, Tabasco, Usumacinta River, opposite Emiliano Zapata (17.749685, -91.766995) .

UF_507898 (2015-0720). (16S: MK001802, 28S: MK001836, COI: MK001770, go to GenBank) ditto.

GenBank Vouchers Not Yet Georeferenced

Z_12423 (2015-543). (16S: MK001804, 28S: MK001838, COI: MK001772, go to GenBank)

Z_12424 (2015-502). (16S: MK001803, 28S: MK001837, COI: MK001771, go to GenBank)