NUEVAS ESPECIES DE BIVALVIA DEL PALEOZOICO SUPERIOR DEL SISTEMA DE TEPUEL, PROVINCIA DE CHUBUT, ARGENTINA

Carlos R. Gonzalez

Abstract


Four new species of bivalves from the Upper Paleozoic of Patagonia, Argentina, are described: Nuculopsis (Nuculopsis ) patagoniensis nov. sp., Phestia tepuelensis nov. sp., Streblocbondria sueroi nov. sp. and Cosmomya (Palaeocosmomya) cbubutensis nov. sp. Comparisons with known genera of Australia, U.S.A. and de U.R.S.S. are established.

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