92 



CENOZOTC MAMMAL HORIZONS 



BASAL EOCENE— Continued. 

 IXSECTIVORA. 



? Hyopsodontid^. 



1. 



Mioclaenus turgidunculus Cope. 



Oxyacodon apiculatus O. and E. 

 Oxyacodon agapetillus (Cope) . . 



X 



Mioclaenus turgidus Cope , X 



Mioclaenus lemuroides Matthew x 



Mioclaenus acolytus Cope ; X 



Mioclaenus lydekkerianus Cope. ; X 



Mioclaenus ihaequidens (Cope) ,:>< 



?Protoselene opisthacus (Cope) '. .i X' 



1NCERT.E SEDIS. 



Pantolestid^. 



I Pentacodon inversus Cope. 



MiXODECTIDiE.rt 



Mixodectes pungens Cope 



Mixodectes crassiusculus (Cope) 

 Indrodon malaris Cope 



T^NIODONTA. 



STYLINODONTID.E, 



Wortmania otariidens Cope | X ! Psittacotheriuni multifragum Cope. 



Conor YCTiD^.b 



Onychodectes tisonensis Cope I x I Conoryctes comma Cope 



Onychodectes rarus O. and E I X I 



.1 X I 



■ I X I 



CONDYLARTHRA. 



Phenacodontid^. 



?Protogonodon pentacus Cope 



?Protogonodon stenognathus Matthew 



Tetraclaenodon puercensis (Cope) 

 Tetraclaenodon minor (Matthew) . 



AMBLYPODA. 



Peeiptychidje.c 



Periptychus coarctatus Cope : X 



Ectoconus ditrigonus (Cope) . 



Conacodon entoconus (Cope) 



Conacodon cophater (Cope) 



Anisonchus gillianus Cope 



Hemithlaeus kowalevskianus Cope. 



Periptychus carinidens Cope X 



Periptychus rhabdodon (Cope) X 



Haploconus lineatus Cope X 



Haploconus comiculatus Cope X 



Anisonchus sectorius Cope ' X 



Pantolambdid^. 



Pantolambda bathmodon Cope. 

 Pantolambda cavirictus Cope. . 



X ' 

 X X 



LOWER EOCENE. 



FiEST PHASE — Wasatch. Secoxd phase — Wind River. 



Coryphodon zone. 



1. Typical Wasatch, Evanston, Wyoming. 



2. Black Buttes, Washakie basin. Wyoming. 

 .3. Bighorn Valley, Wj'oming. 



4. San Juan basin, New Mexico. 



Lambdotherium and Bathyopsis zones. 



1. Wind River basin. Wyoming. 



2. Lower Huerfano, Colorado. 



Pelycodus jarrovii Cope 



Pelycodus tutus Cope 



Pelycodus frugivonis Cope. 



PRIMATES. 



NOTHARCTIDiE. 



Pelycodus sp 



Notharctus nunienus Cope 



Notharctus venticolus Osborn . 



Notharctus palmeri Loomis 



Notharctus cingulatus Loomis. 



n Order Proglires of uncertain relationship, according to Osborn. 

 If ?Insectivora . 



f Auct. Osborn; Condylarthra according to Matthew. 



1. 



2. 



3. 



4. 









X 







X 



X 







X 



X 



