XLIX. MACRAUCHENIIDAE. 



Extinct. 

 Macrauchenia 0\ren=0pisthorhinus Bravard. 



L. PALAEOTHERIIDAE. 



Extinct. 



Palaeolherium Cuv. 

 Monacrum Aymard. 

 Propalaeotherium Gervais, 1849. 

 Paloplotherium Owen=Plagiolopkus Pomel. 



SUPER-FAMILY LOPHIODONTOIDEA. 



LI. TAPIRIDAE. 



Genera. 



5-1. 



Elasmognathus Gill. 



.2. 



Tapirus Linn. 

 Rhinoclwerus Gray. 



III. LOPHIODONTIDAE. 



Extinct. 

 Genera fide Bronn. 



Lophiodon Cuv.Tapirotherium Blainv. 1817 (not 1846). 



Tapiroporcus Jager, 1835. 



Coryphodon Owen, 1846. 



Listriodon v. Meyer, 1846= Tapir otherium Lartet 



Pachynolophus Pomel, lS41=fIyracotherium Blainv. 1844 (not Owen, 1840). 



Lophiotherium Gervais, 1849. 



Tapirulus Gervais, 1850. 



Anchilophus Gervais, 1852. 



SUPER-FAMILY PLIOLOPHOIDBA. 



UII. PLIOLOPHIDAE. 



Extinct 



Pliolophus Owen. 



PERISSODACTYLI INCERTAE SEDIS. 

 LIV. ELASMOTHERIIDAE. 



Extinct. 

 Elasmotherium Fischer = ? Stereoceros Duvernoy. 



UNGULATA? INCERTAE SEDIS. 



Hyracotherium Owen. 

 Stereognathus Owen. 



