XLIX. MACRAUCHENIIDAE. 



Extinct. 

 Macrauchenia Owen= Opisthorhinus Bravard. 



L. PALAEOTHERIIDAE. 



Extinct. 

 Palaeotherium Cuv. 

 Monacrum Aymard. 

 Propalaeotherium Gervais, 1849. 

 Paloplotkerium Owen= Plagiolophus Pomel. 



SUPER-FAMILY LOPHIODONTOIDEA. 

 LI. TAPIRIDAE. 



Genera. 

 §• 1. 



Elasmognaihus Gill. 



Tapirus Linn. 

 Rhinochoerus Gray. 



§.2. 



LII. LOPHIODONTIDAE. 



Extinct. 

 Genera Jide Bronn. 

 Lophiodon Cuv. = Tapir other ium Blainv. 1817 (not 1846). 

 Tapiroporcus Jiiger, 1835. 

 Coryphodon Owen, 1846. 



Listriodon v. Meyer, 1846= Tapir other ium Lartet 



Pachynolophus Pomel, 1847 =Hyracother ium Blainv. 1S44 (not Owen, 1840). 

 Lophiotherium Gervais, 1849. 

 Tapirulus Gervais, 1850. 

 Anchilophus Gervais, 1852. 



SUPER-FAMILY PLIOLOPHOIDEA . 

 Lin. PLIOLOPHIDAE. 



Extinct 

 Pliolophus Owen. 



PERISSODACTYLI INCERTAE SEDIS. 

 LIV. ELASMOTHERIIDAE. 



Extinct. 

 Elasmotherium Fischer = ? Stereoceros Duvernoy. 



UNGULATA? INCERTAE SEDIS. 



Hyracotherium Owen. 

 Stereognathus Owen. 



