†Leptictis haydeni Leidy 1868 (placental mammal)
Mammalia - Theriiformes - Leptictidae
Belongs to Leptictis according to T. J. Meehan and L. D. Martin 2010
Sister taxa: Leptictis acutidens, Leptictis bullatus, Leptictis dakotensis, Leptictis douglassi, Leptictis montanus, Leptictis thomsoni, Leptictis wilsoni
Ecology: ground dwelling insectivore-carnivore