SOBRE LA PRESENCIA
GENERO MARMOSA (DIDELPHIDAE, MARSUPIALIA), EN SEDIMENTOS DE LA FORMACION EPECUEN (PLIOCENO MEDIO)

Jorge Zetti

Abstract


A fragrnent of a jaw belonging to the genus Marmosa is described; the material was found in the Epecuén Formation (Middle Pliocene) in the Buenos Aires Province, and it probably belongs to a new species. This "enus is now represented by about 40 living species in South America.

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