Bivalvia | Unionida | Hyrioidea | Hyriidae | Hyriinae | Castaliini | Castalia

species Castalia stevensi (H.B. Baker, 1930): specimens

1 available nominal species synonym

Recent Taxonomic Opinions

Castalia __ — Hoeh et al. (2009)
Castalia stevensi — Bogan (2010), Pereira et al. (2014), Zieritz et al. (2015), Santos-Neto et al. (2016), Santos-Neto et al. (2018), Olivera-Hyde et al. (2020), Graf & Cummings (2021), Nagel (2025), Campbell & Lydeard (2026)

Range

Orinoco and Essiquibo basins of Colombia, Venezuela and Guyana. (South America: SA2)

Map of Georeferenced Specimens

specimens map of Castalia stevensi

MUSSELp Specimen Records

Type Specimens

image of lot ANSP_125531A
ANSP_125531A
Yuruari River, Venezuela
holotype
Tetraplodon stevensi H.B. Baker, 1930

image of lot ANSP_125531
ANSP_125531
Yuruari River, Venezuela
holotype and paratypes
Tetraplodon stevensi H.B. Baker, 1930

image of lot SMF_4661
SMF_4661
Yuruari River, Venezuela
paratype
Tetraplodon stevensi H.B. Baker, 1930

Other Specimens by Collection | show by country

3 Specimens from FMNH

image of lot FMNH_114116
FMNH_114116
Bocas Rio Iteviare (Vichada), Bajo Rio Guaviare, Colombia

image of lot FMNH_114139
FMNH_114139
Bocas Rio Iteviare (Vichada), Bajo Rio Guaviare, Colombia

image of lot FMNH_114034
FMNH_114034
Bocas Rio Iteviare (Vichada), Bajo Rio Guaviare, Colombia; 2°58’N, 70°45’W

21 Specimens from INHS

image of lot INHS_14890
INHS_14890
Caño el Sardinero, 14 km SE Guanare, Portuguesa, Venezuela

image of lot INHS_14946
INHS_14946
Caño el Sardinero, 14 km SE Guanare, Portuguesa, Venezuela

image of lot INHS_14910
INHS_14910
Caño Hondo, Agua Negra, Barinas, Venezuela

image of lot INHS_14931
INHS_14931
Caño Igües, La Capilla, Portuguesa, Venezuela

image of lot INHS_84697
INHS_84697
Cano Mamon (Rio Orinoco - Apure Dr.) El Mamon, 24 km E Guanare, Portuguesa, Venezuela, 9.07106, -69.52521

image of lot INHS_85051
INHS_85051
Caño Maraca, 12.6 mi NW Guanarito, Portuguesa, Venezuela

image of lot INHS_17026
INHS_17026
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela

image of lot INHS_14902
INHS_14902
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela

image of lot INHS_14939
INHS_14939
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela

image of lot INHS_17583
INHS_17583
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela

image of lot INHS_17020
INHS_17020
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela

image of lot INHS_17016
INHS_17016
Caño Maraca, SW Agua Clara, Portuguesa, Venezuela

image of lot INHS_14804
INHS_14804
Caño Masparito, 1 km NW Libertad, Barinas, Venezuela

image of lot INHS_17034
INHS_17034
Caño Terecay, Hato Cañafistola, eastern Apure, Apure, Venezuela

image of lot INHS_14920
INHS_14920
Rio Camoruco, 3 km SE Libertad, Cojedes, Venezuela

image of lot INHS_14892
INHS_14892
Rio Camoruco, between Estero & Campo Alegre, about 10 km NW Libertad, Cojedes, Venezuela

image of lot INHS_14932
INHS_14932
Rio Guarico, Barbacoas, Aragua, Venezuela

image of lot INHS_7661
INHS_7661
Rio Mocapra, near La Esperanza, cerca del caserio La Esperanza, Infante/ Miranda Districts, Guarico, Venezuela

image of lot INHS_11888
INHS_11888
Rio Tinaco, El Baul, Cojedes, Venezuela

image of lot INHS_46955
INHS_46955
Rio Ventuari, base of Cerro Moriche, 1 km upstream Moriche community, 167 km ENE San Fernando de Atabapo, Manapiare, Amazonas, Venezuela

image of lot INHS_14904
INHS_14904
trib. Caño Igues, 20 km SE Guanare on rd. to Guanarito, Portuguesa, Venezuela

1 Specimens from MCZ

image of lot MCZ_MP.89
MCZ_MP.89
Istampk [?], below Barrancas 62°8’ W 8°30’N

4 Specimens from MNHN

image of lot MNHN_MP_1402
MNHN_MP_1402
Orenoque

image of lot MNHN_MP_1391
MNHN_MP_1391
Orenoque, Venezuela

image of lot MNHN_MP_0879
MNHN_MP_0879
Orinoco

image of lot MNHN_MP_0795
MNHN_MP_0795
Venezuela

1 Specimens from UF

image of lot UF_29403
UF_29403
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela

1 Specimens from USNM

image of lot USNM_860428
USNM_860428
Caripe River, Caripito, Venezuela

1 Specimens from ZMB

image of lot ZMB_17079
ZMB_17079
Rio Rupununi, Guiana

2 Specimens from other collections

image of lot UCM_32344
UCM_32344
floodplain lake along N shore Orinoco River, 2 km E Soledad, Anzoategui, Venezuela.

ZMA_419632. Cano Las Mulas, Bruzual, Apure, Venezuela

GenBank Vouchers

Georeferenced GenBank Vouchers

Venezuela

INHS_14939. (18S: KU888184, COI: AF231736, go to GenBank) Venezuela, Portuguesa, Caño Maraca, on rd. from Guanare to Guanarito at 60 km marker, South America, 8.82611 -69.34501.