322 APPENDIX B 



This is a part of the well-known and widely distributed Lower Devonian fauna 

 of the southern hemisphere. 



III. Upper Carboniferous 



All of the Upper Carboniferous lots of fossils represent the well-known 

 South American fauna first noted by d'Orbigny in 1842, and later added to by 

 Orville Derby. The time represented is the equivalent of the Pennsylvanian of 

 North America. 



Huascatay between Pasaje and Huancarama. 

 Crinoidal limestone. 

 Trepostomata Bryozoa. 

 Polypora. Common. 



Streptorhynchus hallianus Derby. Common. 

 Chonetes glaber Geinitz. Rare. 

 Productus humboldti d'Orb. Rare. 

 " cora d'Orb. Rare. 



" chandlessii Derby. 



" sp. undet. Common. 



" sp. undet. " 



Spirifer condor d'Orb. Common. 

 Hustedia mormoni (Marcou). Rare. 

 Seminula argentea (Shepard). " 

 Pampaconas, Pampaconas valley near Vilcabamba. 

 Lophophyllum? 

 Rhombopora, etc. 

 Productus. 



Camarophoria. Common. 

 Spirifer condor d'Orb. 

 Hustedia mormoni (Marcou). 

 Euomphalus. Large form. 

 Pongo de Mainique. Extreme eastern edge of Peruvian Cordillera. 

 Lophophyllum. 

 Productus chandlessii Derby. 



" cora d'Orb. 



Orthotetes correanus (Derby). 

 Spirifer condor d'Orb. 

 River bowlders and stones of Urubamba river, just beyond eastern edge of 

 Cordillera at mouth of Tieumpinea river. (Detached and transported by stream 

 action from the Upper Carboniferous at Pongo de Mainique.) 

 Mostly Trepostomata Bryozoa. 

 Many Productus spines. 

 Productus cora d'Orb. 

 Camarophoria. Same as at Pampaconos. 

 Productus sp. undet. 

 Cotahuasi A. 



Lophophyllum. 

 Productus peruvianus d'Orb. 

 " sp. undet. 



