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Upper Ordovician (Sandbian) gastropods from redeposited boulders in the Don Braulio Formation, Argentine Precordillera Bertero, Verónica
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2.
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The largest known bear, Arctotherium angustidens, from the early Pleistocene pampeam region of Argentina: with a discussion of size and diet trends in bears Schubert, Blaine W. - Soibelzon, Leopoldo Héctor
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