548 



Sj^stematische Phjdogenie der Mammalien. 



§ 412. Stammbaum der Perissodactylen. 



Rhinocerida 



Rhinoceros 



Ceratorhinus 

 Atelodus \ / Elasmotherium 



Dichoplus 



^Diceratherium 



/ 

 RoDzotherium 



Brontotherida 



Titanotherium 

 Aphelops \ I 



Hippotherida 



Equida 



Equus 



Hippidium 



\ Hippotherium 

 Pliohippus 



Titanops 



Brontotherium 



Äceratherium 



Teleodus 



Amynodon 



/ 

 Diplacodon 



Chalicotherida 



(Ancylopoda) 

 Chalicotherium 



Macrotherium 



\ 



Hippa- 



rion 



Merychippus 

 Anchitherium 



Mesohippus 



Falaeotherida 



Paloplotherium 

 Palaeosyops \ Palaeotherium 



Hyracodon \Tapirida 



^ Lambdotherium 



Epihippus 



Propalaeotherium 



Anchilophus 



Orohippus 



Hyrachus 



Lophiodon 

 Protapirus 



Heptodon 



Ectocion 



Systemodon ? EoMppus 



Hyracotherida 



Hyracotherium 



Phenacodontida 



Condylarthra 



Protungulata 



