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Online Version, Updated 13 Aug. 2026
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Eschmeyer's Catalog of Fishes
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emarginatum, Platystoma Valenciennes [A.] in Cuvier & Valenciennes 1840:25 [Histoire naturelle des poissons v. 15; ref. 1008] Rio São Francisco, Brazil. Holotype (unique): MNHN A-9353 (mounted). Type catalog: Bertin & Estève 1950:60 [ref. 19575], Ferraris 2007:332 [ref. 29155], Rocha et al. 2025:10 [ref. 43143]. •Valid as Duopalatinus emarginatus (Valenciennes 1840) -- (Burgess 1989:282 [ref. 12860], Britski 2001:20 [ref. 26046], Lundberg & Littmann in Reis et al. 2003:436 [ref. 27061], Ferraris 2007:332 [ref. 29155], Silva et al. 2020:12 [ref. 37809], Rocha et al. 2025:5 [ref. 43143]). Current status: Valid as Duopalatinus emarginatus (Valenciennes 1840). Pimelodidae: Pimelodinae. Distribution: South America: São Francisco River basin (Brazil). IUCN (2022): Least Concern. Habitat: freshwater.

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