species Sphenonaias plexus (Conrad, 1838): specimens

Recent Taxonomic Opinions

Barynaias plexus — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
Sphenonaias plexus — Cummings et al. (2025)

Range

Vera Cruz, Mexico. (Central America: CA1)

Map of Georeferenced Specimens

specimens map of Sphenonaias plexus

MUSSELp Specimen Records

Type Specimens

USNM_84080A
River Medellin, Vera Cruz, Mexico
lectotype
Unio carbonarius Lea, 1838

MNHN_IM-2000-1812
Rio Medellin, Mexique
holotype
Unio minor Fischer & Crosse, 1894

ANSP_129923
Vera Cruz, Mexico
lectotype
Unio plexus Conrad, 1838

USNM_84080
Mexico
syntype
Unio pliciferus Lea, 1838

BMNH_1901-6-22-1522-1525
Medellin River, Mexico
topotypes
Unio minor Fischer & Crosse, 1894

ZMB_MP_053
Rio Medellin
topotype
Unio minor Fischer & Crosse, 1894

ZMB_MP_0537
Medellin River
topotypes
Unio minor Fischer & Crosse, 1894

ANSP_412414
Vera Cruz, Mexico
paralectotypes
Unio plexus Conrad, 1838

MCZ_175626
Medellin River, near Vera Cruz, Mexico
idiotype
Unio pliciferus Lea, 1838

MCZ_6584
Vera Cruz, Mexico
idiotypes
Unio pliciferus Lea, 1838

Other Specimens by Country | show by collection

70 Specimens from Mexico

CM_61.8875
? [Mexico]

MNHN_MP_1293
[no locality available - Central America - Mexico]

ZMB_MP_0534
Medellin Fl.

ZMB_MP_0528
Medellin Fl., near Vera Cruz

ZMB_4271
Medellin Fl., Vera Cruz

AMNH_30579
Medellin River

BMNH_MP_418
Medellin River, Mexico

MCZ_6806
Medellin River, near Vera Cruz, Mexico

BMNH_1901-6-22-1516-1521
Medellin River, near Vera Cruz, Mexico

MCZ_270063
Medellin River, near Vera Cruz, Mexico

USNM_162332
Medellin, near V. Cruz, Mexico

CM_61.2019
Medellin, near Vera Cruz, Mexico

ANSP_129926
Mexico

ANSP_129948
Mexico

INHS_21711
Mexico

CM_61.1386
Mexico

BMNH_1907-12-30-375
Mexico

BMNH_MP_417
Mexico

BMNH_44-7-17-61-64
Mexico

AMNH_30543
Mexico

USNM_118345
Mexico

UF_270523
Mexico

USNM_126523
Mexico

UF_93171
Mexico

UF_93180
Mexico

INHS_1736
Mexico

USNM_84081
Mexico

CM_61.1494
Mexico

ZMB_MP_0526
Mexico

ZMB_MP_0536
Mexico

ZMB_MP_0539
Mexico

ZMB_MP_0535
Mexico

AMS_126903
Mexico

AMNH_30542
Mexico

MCZ_270064
Mexico

MCZ_270066
Mexico

MCZ_270068
Mexico

MCZ_37318
Mexico

UF_270522
near Veracruz, Mexico

MNHN_MP_1359
Panama [No - likely Mexico]

MNHN_MP_1353
pres per les bords du fleuve Chicattien, Mexique [near the banks of the Chicattien River, Mexico]

MNHN_MP_1349_2
Rio Papaloapam, Vera Cruz

ANSP_133692
Rio San Juan, V.C., Mexico

ANSP_129927
Vera Cruz [Mexico]

MNHN_MP_1350
Vera Cruz [Mexico]

MNHN_MP_1296
Vera Cruz [Mexico]

MNHN_MP_1334
Vera Cruz [Mexico]

UF_93176
Vera Cruz Mexico

ANSP_77182
Vera Cruz, Mex.

ANSP_125661
Vera Cruz, Mexico

ANSP_129928
Vera Cruz, Mexico

MCZ_MP_264
Vera Cruz, Mexico

USNM_25739
Vera Cruz, Mexico

USNM_43631
Vera Cruz, Mexico

USNM_84079
Vera Cruz, Mexico

ANSP_125581
Vera Cruz, Mexico

OSUM_68320
Vera Cruz, Mexico

MCZ_270062
Vera Cruz, Mexico

MCZ_270067
Vera Cruz, Mexico

MCZ_270069
Vera Cruz, Mexico

MCZ_30267
Vera Cruz, Mexico

MCZ_30268
Vera Cruz, Mexico

USNM_1282323
Veracruz, impoundment on Rio Jamapa at La Tejar, ca. 0.25 rivermiles above the bridge of road to Medellin (bridge is 5.3 roadmiles from the junction of this road with Rt. Mex. 140), S of Veracruz (city). N19°04'00" W96°09'30"

FMNH_21850
Veracruz, Mexico

FMNH_22259
Veracruz, Mexico

UF_270524
Veracruz, Mexico

UF_229533
Veracruz, Mexico

USNM_1282318
Veracruz, Rio Cotaxtla (upper Rio Atoyac) at Rt. Ver. 149 in Cotaxtla (turn-off to road to Cotaxtla from Rt. Mex. 140 is ca. 26.1 roadmiles SW of divergence of Rt. Mex, 150 and Rt. Mex. 140 S of Veracruz

USNM_1282322
Veracruz, Rio Jamapa at road to Medellin at El Tejar, ca. 5.3 roadmiles from junction of this road with Rt. Mex. 140, S of Veracruz (city)

USNM_1282319
Veracruz, Rio Jamapa at road to Medellin at El Tejar, ca. 5.3 roadmiles from junction of this road with Rt. Mex. 140, S of Veracruz (city)