A new cynodont from the Upper Triassic Los Colorados Formation (Argentina, South America) reveals a novel paleobiogeographic context for mammalian ancestors by L. C. Gaetano, F. Abdala, F. D. Seoane, A. Tartaglione, M. Schulz, A. Otero, J. M. Leardi, C. Apaldetti, V. Krapovickas, E. Steimbach

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