Figure 11 in Morphology and phylogenetic relationships of the earliest known hippopotamids (Cetartiodactyla, Hippopotamidae, Kenyapotaminae)

Figure 11. Biogeographical background and evolutionary scenarios for the emergence of Kenyapotamus and Hippopotaminae. Abbreviations: 1 and 2, see text for comments; archaic bothrio., archaic bothriodontines (excluding Brachyodus); Pleis., Pleistocene; Siva. – Afro., group of advanced bothriodontines including the African Afromeryx and the Afro-Asian Sivameryx. Maps indicate known distribution areas of taxa at approximate regional scale. Distributions for: Libycosaurus from Lihoreau et al. (2006) and Boisserie & Lihoreau (2006); Merycopotamus from Lihoreau et al. (2007); Sivameryx– Afromeryx from Lihoreau (2003); Elomeryx from Ducrocq & Lihoreau (2006); archaic bothriodontines from Ducrocq (1997).