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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!

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Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Cyrtonaias

species Cyrtonaias berlandierii (Lea, 1857): specimens
     4 available nominal species synonyms (7 total synonyms)

Recent Taxonomic Opinions

Cyrtonaias tampicoensisGraf & Cummings (2007), Pfeiffer et al. (2019), Graf & Cummings (2021)
Cyrtonaias saladoensisGraf & Cummings (2007), Bogan (2010), Cummings & Graf (2010)
Glebula rotundataWatters et al. (2009)
Cyrtonaias berlandieriiCummings et al. (2025)

Range

Brazos River in Texas to the Rio Grande Basin in Mexico.

Map of Georeferenced Specimens

species map


Mexico

specimen
INHS_31738

100 km W Ciudad Acuna, 0.5 to 10 km E 102nd Meridian, Coahuila, Mexico

specimen
USNM_251829

Camargo, Tamaulipas, Mexico

specimen
AMS_102100

canal, 20.5 mi WNW Anahuac, Nueva Leon, Mexico

specimen
USNM_122379

Matamoras, Mexico

specimen
USNM_84427

Matamoras, Mexico

specimen
USNM_84427

Matamoras, Mexico

specimen
USNM_84427

Matamoras, Mexico

specimen
BMNH_1964143

Mexico

specimen
USNM_1282327-28

Mexico: Coahuila. Rio Salado de Nadadores, 0.5 mi S Progresso on road to HW 57 [distance from HW 57 is 14.6 mi]

specimen
USNM_1282327-28

Mexico: Coahuila. Rio Salado de Nadadores, 0.5 mi S Progresso on road to HW 57 [distance from HW 57 is 14.6 mi]

specimen
ZMB_MP_0470

N.W. Mexico

specimen
OSUM_22682

Rio Grande at Falcon Reservoir, Tamaulipas, Mexico

specimen
AMS_102113

Rio Saldado, Anahuac, Nueva Leon, Mexico

specimen
USNM_251830

Sabinas River, Mexico

specimen
AMNH_29220

Tamaulipas


USA

specimen
USNM_83932

Medina R., Texas

specimen
USNM_524061

Rio Grande Terrace, at Romina, Zapata Co., Texas

specimen
USNM_524061

Rio Grande Terrace, at Romina, Zapata Co., Texas

UTAP_5193. Medina River, Medina county, Texas, 0.5 mi. N of north edge of Castroville [along river road where low water bridge to Camp Cayoca crosses river, east from river road]

Georeferenced Genbank Vouchers


USA

Mp_2667_H1019. (COI: EF033259, COII: EF033279, go to Genbank) Guadalupe River, upstream of Wood Lake and upstream of the access road from the town of Cost, Gonzales County, Texas.

Mp_2667_H1019g. (COI M-type: EF033299, COII M-type: EF033319, go to Genbank) ditto.

UAUC_316. (5.8S, ITS1: MH167927, go to Genbank) Lake Corpus Christi, Live Oak Co., Texas.

UAUC_78. (16S: AY655032, go to Genbank) Leon River, Belton Reservoir, Bell Co. TX.

UF_441145-008. (28S: MK036074, 5.8S, ITS1: MK036157, COI: MK044906, ND1: MK045057, go to Genbank) Navasota River, Brazos drainage (30.3547, -96.1416).

UAUC_314. (ITS1: DQ383436, ND1: AY655090, go to Genbank) Nueces River, Lake Corpus Christi, Live Oak Co. TX.

UF_441144-007. (16S: MK001807, 28S: MK001841, 28S: MK036073, COI: KT285620, ITS1, 5.8S: KT285664, ND1: MK045056, go to Genbank) USA, Texas, Brown County, Colorado River downstream of Co. Rd. 229 (31.4831003, -99.0305955).

UF_438559. (SRA: SRX5278586, go to Genbank) USA, Texas, Live Oak County, Choke Canyon Reservoir at boat ramp on west side of lake near dam (28.47405, -98.25166).

NRI_8173_1. (16S: MT561702, ANT: MT558911, COI: MT553984, go to Genbank) USA: Brazos River, Texas.

NRI_8208_1. (ANT: MT558912, COI: MT553985, go to Genbank) ditto.

NRI_8163_1. (ANT: MT558913, COI: MT553986, go to Genbank) USA: Guadalupe River, Texas.

NRI_8163_3. (16S: MT561703, ANT: MT558914, COI: MT553987, go to Genbank) ditto.

NRI_8163_4. (16S: MT561704, ANT: MT558915, COI: MT553988, go to Genbank) ditto.

NRI_8163_6. (16S: MT561705, COI: MT553989, go to Genbank) ditto.

NRI_8163_7. (16S: MT561706, COI: MT553990, go to Genbank) ditto.

NRI_8107_1. (ANT: MT558916, COI: MT553991, go to Genbank) USA: Rio Grande, Texas.

NRI_8135_3. (ANT: MT558917, COI: MT553992, go to Genbank) ditto.

NRI_8503_3. (COI: MT553993, go to Genbank) ditto.

UF_439463. (16S: PQ238810, go to Genbank) USA: Texas, Brazos River.