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Marmosa contrerasi Mones 1980 (mouse opossum)

Mammalia - Didelphimorphia - Didelphidae

PaleoDB taxon number: 270463

Full reference: A. Mones. 1980. Sobre una colección de vertebrados fósiles de Monte Hermoso (Plioceno Superior), Argentina, con la descripción de una nueva especie de Marmosa (Marsupialia: Didelphidae). Comunicaciones Paleontologicas del Museo de Historia Natural de Montevideo 1(8):159-169

Belongs to Marmosa according to A. Mones 1980

Sister taxa: Marmosa collega, Marmosa demerarae, Marmosa domina, Marmosa lepida, Marmosa limae, Marmosa mexicana, Marmosa murina, Marmosa paraguayana, Marmosa regina, Marmosa robinsoni, Marmosa rubra

Type specimen: SPV-FHC No 6-XI-66-156, a mandible. Its type locality is Barrancas de Monte Hermoso, which is in a Montehermosan terrestrial horizon in the Monte Hermoso Formation of Argentina.

Ecology: scansorial carnivore

Average measurements (in mm): P1 1.00 x 0.40, P2 1.70 x 0.60, P3 1.50 x 0.75, M1 1.90 x 1.35, M2 2.00 x 2.00, M3 1.80 x 2.15, M4 0.900 x 2.300, p1 1.25 x 0.35, p2 1.40 x 0.50, p3 1.30 x 0.55, m1 1.50 x 0.85, m2 1.65 x 1.00, m3 1.90 x 1.20, m4 2.00 x 0.95, C1 1.40 x 0.70, c1 0.900 x 0.600

Estimated body mass: 32.7 g based on M1 length, M1 width, M2 length, M2 width, M3 length, M3 width, M4 length, M4 width, m1 length, m1 width, m2 length, m2 width, m3 length, m3 width, m4 length, and m4 width