Skull (cast) of Hoplophoneus (juvenile), a kind of Oligocene-period saber-toothed cat, from Valley Anatomical Preparations, Canoga Park, CA.
Souvenir postcards (below) from the Museum of Geology, South Dakota School of Mines and Technology, showing a skeleton of Hoplophoneus primaevus from South Dakota; and from the American Museum of Natural History, reproducing a painting by Robert J. Barber (1994) of an Oligocene scene of the Badlands of South Dakota ( Hoplophoneus shown lower right).
