Best Didelphimorphia
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A South American marsupial (Lutreolina crassicaudata) with a thick tail and semi-aquatic habits, found from Venezuela to Argentina in grasslands and wetland margins.
A small Brazilian marsupial (Monodelphis domestica) widely used in biomedical research and the first marsupial to have its genome fully sequenced, accomplished in 2007.
A rare Amazonian marsupial (Glironia venusta) notable for its unusually bushy, squirrel-like tail, known from scattered records in Bolivia, Brazil, Ecuador, and Peru.
An arboreal South American marsupial (Caluromys lanatus) found in Andean foothills and adjacent lowlands, recognized by its dense woolly fur and long prehensile tail.
A South American marsupial (Philander opossum) named for white spots above each eye that resemble extra eyes, ranging from southern Mexico to northern Argentina.
A small South American marsupial (Monodelphis americana) distinguished by three dark dorsal stripes running along its back, found in forests of Brazil and neighboring countries.
A South American marsupial (Metachirus nudicaudatus), the sole species in genus Metachirus, notable for lacking a marsupium, found from Nicaragua to Bolivia.
A small didelphid marsupial (Marmosa murina) widespread across northern South America and Trinidad, often among the most frequently trapped small mammals in forest surveys.
A small didelphid marsupial (Marmosa robinsoni) of Central America and northwestern South America, described by Oldfield Thomas and named for naturalist Wirt Robinson.
A didelphid marsupial of northwestern South America described by Osgood, named in honor of naturalist W.L. Anderson, and found in Colombia, Ecuador, and Peru.
A small Amazonian marsupial (Monodelphis emiliae) described by Thomas in 1912, named for German ornithologist Emilia Snethlage, and found in Brazil and Peru.
