†Chacopterygus Williamson et al. 2011 (placental mammal)
Mammalia - Cimolesta - Cimolestidae
Full reference: T. E. Williamson, A. Weil, and B. Standhardt. 2011. Cimolestids (Mammalia) from the early Paleocene (Puercan) of New Mexico. Journal of Vertebrate Paleontology 31(1):162-180
Parent taxon: Cimolestidae according to T. E. Williamson et al. 2011
Sister taxa: Alveugena, Batodon, Betonnia, Cimolestes, Gelastops, Maelestes, Naranius, Procerberus, Puercolestes, Suratilestes, Telacodon
Subtaxa: Chacopterygus minutus
Ecology: scansorial insectivore