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Data last updated
Mon 1 Dec 2025
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Bivalvia
| Unionoida
| Hyrioidea
| Hyriidae
| Hyriinae
| Castaliini
| Castalia
species Castalia stevensi (H.B. Baker, 1930): specimens1 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)
Range
Orinoco and Essiquibo basins of Colombia, Venezuela and Guyana.
Map of Georeferenced Specimens
MUSSELp Specimen Records
Colombia
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FMNH_114116
Bocas Rio Iteviare (Vichada), Bajo Rio Guaviare, Colombia
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FMNH_114139
Bocas Rio Iteviare (Vichada), Bajo Rio Guaviare, Colombia
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FMNH_114034
Bocas Rio Iteviare (Vichada), Bajo Rio Guaviare, Colombia; 2°58’N, 70°45’W
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Guyana
Venezuela
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INHS_14890
Caño el Sardinero, 14 km SE Guanare, Portuguesa, Venezuela
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INHS_14946
Caño el Sardinero, 14 km SE Guanare, Portuguesa, Venezuela
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INHS_14910
Caño Hondo, Agua Negra, Barinas, Venezuela
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INHS_14931
Caño Igües, La Capilla, Portuguesa, Venezuela
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INHS_84697
Cano Mamon (Rio Orinoco - Apure Dr.) El Mamon, 24 km E Guanare, Portuguesa, Venezuela, 9.07106, -69.52521
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INHS_85051
Caño Maraca, 12.6 mi NW Guanarito, Portuguesa, Venezuela
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INHS_14902
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela
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INHS_14939
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela
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INHS_17020
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela
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INHS_17026
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela
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INHS_17583
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela
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UF_29403
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela
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UF_29403
Cano Maraca, 60 km S Guanare, on rd to Guanarito, Portuguesa, Venezuela
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INHS_17016
Caño Maraca, SW Agua Clara, Portuguesa, Venezuela
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INHS_14804
Caño Masparito, 1 km NW Libertad, Barinas, Venezuela
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INHS_17034
Caño Terecay, Hato Cañafistola, eastern Apure, Apure, Venezuela
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USNM_860428
Caripe River, Caripito, Venezuela
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UCM_32344
floodplain lake along N shore Orinoco River, 2 km E Soledad, Anzoategui, Venezuela.
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MCZ_MP.89
Istampk [?], below Barrancas 62°8’ W 8°30’N
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MNHN_MP_1402
Orenoque
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MNHN_MP_1402
Orenoque
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MNHN_MP_1391
Orenoque, Venezuela
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MNHN_MP_0879
Orinoco
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MNHN_MP_0879
Orinoco
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INHS_14920
Rio Camoruco, 3 km SE Libertad, Cojedes, Venezuela
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INHS_14892
Rio Camoruco, between Estero & Campo Alegre, about 10 km NW Libertad, Cojedes, Venezuela
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INHS_14932
Rio Guarico, Barbacoas, Aragua, Venezuela
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INHS_7661
Rio Mocapra, near La Esperanza, cerca del caserio La Esperanza, Infante/ Miranda Districts, Guarico, Venezuela
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INHS_11888
Rio Tinaco, El Baul, Cojedes, Venezuela
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INHS_46955
Rio Ventuari, base of Cerro Moriche, 1 km upstream Moriche community, 167 km ENE San Fernando de Atabapo, Manapiare, Amazonas, Venezuela
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INHS_14904
trib. Caño Igues, 20 km SE Guanare on rd. to Guanarito, Portuguesa, Venezuela
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MNHN_MP_0795
Venezuela
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ANSP_125531
Yuruari River, Venezuela
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ANSP_125531A
Yuruari River, Venezuela
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SMF_4661
Yuruari River, Venezuela
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ZMA_419632. Cano Las Mulas, Bruzual, Apure, Venezuela
Genbank Vouchers
There are no georeferenced Genbank vouchers for this species in the MUSSELpdb.
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