Peces Criollos - Freshwater Fishes of Argentina Peces Criollos - Freshwater Fishes of Argentina
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Platydoras costatus - not a species from Argentina

Platydoras - map of distribution
Map showing the distribution of the genus Platydoras (from publication)
 

Not a species from Argentina:
Platydoras costatus (Linneaus, 1758)

remarks (from publication):
p. 482: Examination of extant types and ongoing studies by the two junior authors (MAH, MHSP) confirm the distinctiveness of three nominal species of Platydoras: P. armatulus (Paraguay-Paraná and portions of Amazon and Orinoco basins), P. costatus (Corantijn and Maroni basins), and P. hancockii (Negro, Essequibo, Demerara, and upper Orinoco basins).
p. 489: Platydoras costatus has long been misunderstood despite the early illustrations of Gronow’s type specimen (Pl. 5, figs. 1 and 2 in Gronovius, 1756) upon which Linnaeus (1758) based this name. Gronow’s (Gronovius, 1756) illustration depicts a Platydoras with dorsal head and midlateral scutes uniformly colored. Platydoras costatus, however, is often applied to specimens with a distinct, continuous light midlateral stripe (white to yellow in life) that converges dorsoanteriorly with its pair in the interorbital region. Based on our examination of Platydoras from throughout its wide range, only specimens from coastal drainages of Suriname and French Guiana (i.e., Corantijn, Suriname, Maroni) lack a distinct light stripe on the head and sides, evidence that the types of P. costatus originated from this region.

published in:
Piorski, N.M., J.C. Garavello, M. Arce & M.H. Sabaj Pérez (2008):
Platydoras brachylecis, a new species of thorny catfish (Siluriformes: Doradidae) from northeastern Brazil.
Neotropical Ichthyology 6 (3): 481-494
 

CLOFFAR - 2nd edition

Scleronema milonga sp.nov. from Argentina

Scleronema macanuda sp.nov. from Uruguay

Scleronema teiniagua sp.nov. from Uruguay

Scleronema ibirapuita - first record from Uruguay

Scleronema minutum is a sr. synonym of Pygidium angustirostris

Scleronema operculatum - not a species from Argentina or Uruguay

CLOFFUY - update 3

Oligosarcus hepsetus - not a species from Argentina or Uruguay

Moenkhausia forestii - first record from Argentina

Moenkhausia sanctaefilomenae - not a species from Argentina

Moenkhausia australis - confirmed for Argentina

Andromakhe gen.nov. - 5 comb.nov from Astyanax

Psalidodon - 30 comb.nov. from Astyanax

Psalidodon anisitsi comb.nov. from Hyphessobrycon

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