Order Didelphimorphia Gill 1872 (marsupial)
Synonym: Peradectia Marshall et al. 1990
Parent taxon: Ameridelphia according to B. M. Davis 2007
See also Beck and Taglioretti 2020, Case et al. 2004, de Muizon and Cifelli 2001, Goin 1997, Goin et al. 2007, Goin et al. 2009, Goin et al. 1998, Horovitz et al. 2009, Kielan-Jaworowska et al. 2004, McKenna and Bell 1997, Oliveira and Goin 2011, Phillips et al. 2001, Rose et al. 2012, Springer et al. 1994 and Wilson and Reeder 2005
Sister taxa: Derorhynchidae, Marambiotherium, Protodidelphidae, Sternbergiidae
Subtaxa: Didelphidae Pedimanes Peradectoidea Sparassocynidae
Ecology: scansorial omnivore