Didelphinae Gray, 1821

Velazco, Paúl M. & Patterson, Bruce D., 2019, Small Mammals Of The Mayo River Basin In Northern Peru, With The Description Of A New Species Of Sturnira (Chiroptera: Phyllostomidae), Bulletin of the American Museum of Natural History 2019 (429), pp. 1-69 : 8

Subfamily Didelphinae Gray, 1821

Members of this subfamily are characterized by their lack of an anterior cutting edge on the third upper premolar ( Voss and Jansa, 2009). All five species of didelphids recorded at the three sampled localities belong to this subfamily.