210 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



Faune du Faune du 



Notostylops Pyrotherium 



Árchaeohyrax patagonicus Amegh 



» propheticus Amegh ♦ 



Argyrohyrax proavus Amegh 



» proavunculus Amegh 



Plagiar thrus clivus Amegh 



Typotheria f 



Protypotheriidae f 



Archaeophylus patrius Amegh 



Hegetotheridae f 



Frohegetotherium sculptum Amegh , 



Prosotherium Garzoni Amegh 



» triangulidens Amegh , 



» robustum Amegh 



Propachyrucos Smith-Woodwardi Amegh 

 » crassus Amegh 



EUTRACHYTHERIDAE f ? 



Eutrachytherus Spegazzüiianus Amegh , 



» conturbalus Amegh 



Proedrium solitarium Amegh 



Toxodontia f 



Nesodontidae f , 



Fronesodon cristaíus Amegh , 



» robustus Amegh 



Senodon platyarthrus Amegh 



» lapidosas Amegh 



Proadinotherium leptognathum Amegh . 

 » angustidens Xmegh . . . . 

 Astrapotheroidea f 



ASTRAPOTHERIDAE f 



Parastrapolherium Eolmbcrgí Amegh.. . . 



» Trouessarli k.xTieg\\. . . 



» ephebicum Amegh. . . . 



» Lemoinei Amegh 



» cingulatum Amegh . . . 



Traspoalherium convexidens Amegh 



Liarthrus Copei Amegh . . 



Aacylopoda "^ f 



ISOTEMNIDAE "^ . . . 



Isotemnus primitivus Amegh ., . 



