Fig. 9From: Fossil Horses, Orthogenesis, and Communicating Evolution in MuseumsHorse evolution exhibit currently on display at the International Museum of the Horse, Kentucky Horse Park, Lexington, KY. This exhibit mixes components that communicate orthogenesis (the skeletons arranged in the foreground) along with branching evolution (the phylogenetic tree graphic behind the skeletons). Reproduced with permissionBack to article page