THYLAMYS ZEITII, NUEVA ESPECIE DE MARMOSINO (MARSUPIALIA, DIDELPHIDAE) DEL CENOZOICO TARDÍO DE LA REGIÓN PAMPEANA

Authors

  • Francisco J. Goin Div. Paleontología de Vertebrados

Abstract

The extinct Thylamys zettii sp. nov is closely allied to the living T. venusta; the fossil species differs in its larger size, straight ventral face of the mandibular rami, and morphology of lower molars (larger paraconids, similar height of proto- and metaconids, entoconids lower than the hypoconids). The holotype -and only known specimen- of this new species comes from Late Miocene (Huayquerian) levels at Arroyo Guaminí, SW of Buenos Aires province, (Argentina). The new species represents the oldest record of Thylamys in Southem South America.

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Published

2014-02-06

Issue

Vol. 34 No. 4

Section

Paleontological Notes

License

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How to Cite

THYLAMYS ZEITII, NUEVA ESPECIE DE MARMOSINO (MARSUPIALIA, DIDELPHIDAE) DEL CENOZOICO TARDÍO DE LA REGIÓN PAMPEANA. (2014). Ameghiniana, 34(4), 481-484. https://ameghiniana.org.ar/index.php/ameghiniana/article/view/2401

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