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| Country | Year | Collector | Identifier | Catalog No. | Depth (m) | Locality | Source | ||
| no year | T.L. MARINI | J.T.NICHOLS, F.R.LAMONTE* | AMNH 12282 | RIO DE LA PLATA | Portal: FB. Source: AMNH | ||||
| Argentina | no year | 21314 | SÜDAMERIKA, OSO-, ARGENTINIEN, O-, RIO DE LA PLATA, BEI BUENOS AIRES*, | Portal: GBIF. Source: SMF Data from GBIF data index - original values. | |||||
| Argentina | no year | A. ALMIRON, J.R. CASCIOTTA/C.J. FERRARIS | B.A. BROWN, R.A.ARRINDELL | AMNH 99997 | PARANA RIVER, BELLA VISTA, RIACHO CARRIZA | Portal: FB. Source: AMNH | |||
| Argentina | no year | IGFA | Corrientes | Portal: FB. | |||||
| Argentina | no year | IGFA | Paso de la Patria | Portal: FB. | |||||
| Bolivia | 1988 | 320656.5213545 | Bolivia: Dept. Tarija, R. Pilcomayo 1 km Above Villamontes. | Portal: GBIF. Source: USNM Data from GBIF data index - original values. | |||||
| Brazil | 1932 | R. VON IHERING | J.T.NICHOLS, F.R.LAMONTE | AMNH 12257 | RIO TIETE | Portal: FB. Source: AMNH | |||
| Paraguay | no year | IGFA | Ayolas | Portal: FB. | |||||
| Paraguay | no year | IGFA | Ayolas | Portal: FB. | |||||
| Paraguay | no year | IGFA | Ayolas | Portal: FB. | |||||
| URUGUAY | 1996 | 39542 | Río Rosario drainage (into Río de la Plata): Arroyo Colla at Paso Arballo, 500 m from Rosario | Portal: GBIF. Source: NRM Data from GBIF data index - original values. | |||||
| URUGUAY | 2007 | 55858 | Río Uruguay, embalse at entrance to Villa Constitución | Portal: GBIF. Source: NRM Data from GBIF data index - original values. | |||||