Family DIDELPHIDAE (OPOSSUMS) ® Smallto medium-sized marsupals with mostly-naked tails, pointed snouts, prehensile hands and feet with five fingers on both and claws on hands, and opposable thumbs on hindfeet; some species with a pouch. * 10-95 cm. * Nearctic and Neotropical Regions. * Wide-ranging, virtually present in all vegetation formations and biomes of the Americas from 50° N to 48° S. * 18 genera, 103 species, at least 143 taxa. * 2 species Critically Endangered, 6 species Vulnerable;1 species Extinct since 1600.

Published as part of Astúa, D., 2015, Didelphidae, pp. 129-186 in Handbook of the Mammals of the World – Volume 5 Monotremes and Marsupials, Barcelona :Lynx Edicions on page 129, DOI: 10.5281/zenodo.6685333