Andinodelphys

Andinodelphys is an extinct genus of non-marsupial stem metatherian.^[1]

Andinodelphys Temporal range: Early Paleocene (Tiupampan) ~66–61.7 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Subclass:	Theria
Clade:	Metatheria
Genus:	†Andinodelphys Marshall & Muizon, 1988
Species:	†A. cochabambensis
Binomial name
†Andinodelphys cochabambensis Marshall & Muizon, 1988

Details

Along with Pucadelphys and Mayulestes, it is the oldest known South American metatherian.^[2] It is known best from five almost complete skulls, and associated skeletons, all from Tiupampa in Bolivia.^[1] It is most similar to Pucadelphys and a clade of Pucadelphydae containing the two genera has been suggested. It was likely a gregarious animal, and a finding of six articulated and intertmingled skeletons has been used as evidence of social behavior being present in basal metatherians.^[3]