88 
XLIX. MACRAUCHENIIDAE. 
Extinct. 
Macrauchenia Owen= Opisthorhinus Bravard. 
L. PALAEOTHERIIDAE, 
Extinct. 
Palaeotherium Cuv. 
Monacrum Aymard. 
Propalacotherium Gervais, 1849. 
Paloplotherium Owen= Plagiolophus Pomel. 
SUPER-FAMILY LOPHIODONTOIDEA. 
LI. TAPIRIDAE. 
Genera. 
Rol. 
Elasmognathus Gill. 
§. 2. 
Tapirus Linn. 
Rhinochoerus Gray. 
LIT. LOPHIODONTIDAE. 
Extinct. 
Genera fide Bronn. 
Lophiodon Cuv.==Tapirotherium Blainv. 1817 (not 1846). 
Tapiroporcus Jager, 1835. 
Coryphodon Owen, 1846. 
Listriodon v. Meyer, 1846== Tapirotherium Lartet 
Pachynolophus Pomel, 1847=Hyracotherium Blainv. 1844 (not Owen, 1840). 
Lophiotherium Gervais, 1849. 
Tapirulus Gervais, 1850. 
Anchilophus Gervais, 1852. 
SUPER-FAMILY PLIOLOPHOIDEA. 
LI. PLIOLOPHIDAE. 
Extinct 
Pliolophus Owen. 
PERISSODACTYLI INCERTAE SEDIS. 
LIV. ELASMOTHERIIDAE. 
Extinct. 
Llasmotherium Fischer =? Stereoceros Duvernoy. 
UNGULATA? INCERTAE SEDIS. 
Hyracotherium Owen. 
Stereognathus Owen. 
