A Revision Of The Didelphid Marsupial Genus Marmosa Part 2. Species Of The Rapposa Group (Subgenus Micoureus) Author Voss, Robert S. Division of Vertebrate Zoology (Mammalogy), American Museum of Natural History Author Giarla, Thomas C. Department of Biology, Siena College, Loudonville, NY Author Díaz-Nieto, Juan F. Departamento de Ciencias Biológicas and Grupo de Investigación BEC, Universidad EAFIT, Medellín, Colombia Author Jansa, Sharon A. Department of Ecology, Evolution, and Behavior; and J. F. Bell Museum of Natural History, University of Minnesota, St. Paul, MN text Bulletin of the American Museum of Natural History 2020 2020-06-01 2020 439 1 60 https://bioone.org/journals/bulletin-of-the-american-museum-of-natural-history/volume-439/issue-1/0003-0090.439.1.1/A-Revision-of-the-Didelphid-Marsupial-Genus-MarmosaPart-2-Species/10.1206/0003-0090.439.1.1.full journal article 7620 10.1206/0003-0090.439.1.1 cf30730f-9aef-4d9d-a86e-b110e928b1c7 0003-0090 4614092

TABLE 7 Selected Morphological Comparisons among Species of the Rapposa Group of Marmosa (Micoureus)

	M. rapposa	M. parda	M. rutteri
a Crown length M1–M4 (see Materials and Methods). Table entries are the mean plus or minus one standard deviation computed from measurements of both sexes.
Ventral pelage	mostly self-colored	mostly gray-based	mostly self-colored
Tail	particolored (whitish distally)	all dark	all dark
Palatine fenestrae	present	present	absent
Length of molarsa	8.3 ± 0.2 mm	8.8 ± 0.2 mm	9.0 ± 0.4 mm