species Cyrtonaias berlandierii (Lea, 1857): specimens

4 available nominal species synonyms (8 total synonyms)

Recent Taxonomic Opinions

Cyrtonaias tampicoensis — Graf & Cummings (2007), Pfeiffer et al. (2019), Graf & Cummings (2021)
Cyrtonaias saladoensis — Graf & Cummings (2007), Bogan (2010), Cummings & Graf (2010)
“Cyrtonaias tampicoensis” ** — Chapman et al. (2008), Campbell et al. (2008), Chapman et al. (2008), Campbell & Lydeard (2012), Burlakova et al. (2012), ... Smith et al. (2020), Freeman et al. (2025), Campbell & Lydeard (2026), Martínez et al. (2026), Barraza et al. (2026)
Glebula rotundata — Watters et al. (2009)
Cyrtonaias berlandierii — Cummings et al. (2025)

Range

Brazos River in Texas to the Rio Grande Basin in Mexico. (North America: NA4)

Map of Georeferenced Specimens

specimens map of Cyrtonaias berlandierii

MUSSELp Specimen Records

Type Specimens

USNM_84427
Matamoras, Mexico
lectotype
Unio berlandierii Lea, 1857

USNM_83932
Medina R., Texas
lectotype
Unio heermannii Lea, 1861

USNM_122379
Matamoras, Mexico
paralectotype
Unio berlandierii Lea, 1857

Other Specimens by Country | show by collection

10 Specimens from Mexico

INHS_31738
100 km W Ciudad Acuna, 0.5 to 10 km E 102nd Meridian, Coahuila, Mexico

USNM_251829
Camargo, Tamaulipas, Mexico

AMS_102100
canal, 20.5 mi WNW Anahuac, Nueva Leon, Mexico

BMNH_1964143
Mexico

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]

ZMB_MP_0470
N.W. Mexico

OSUM_22682
Rio Grande at Falcon Reservoir, Tamaulipas, Mexico

AMS_102113
Rio Saldado, Anahuac, Nueva Leon, Mexico

USNM_251830
Sabinas River, Mexico

AMNH_29220
Tamaulipas

2 Specimens from USA

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]

GenBank Vouchers

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.

MUSSELpdb

Taxonomy

Geography