TABLE II 

 Correlation table of Cephalopod-bearlng Permian Beds. 



Name of strata Genera of ammonoids 



Triassic 



'El 

 g 

 'S 



Lower Triassic 



4. Belleroplion limestone of the Alps 



3. Djulfa beds in Armenia. 

 2. Upper Productus limestone of the 

 Salt Range of India. 



Limestone of Ajer mati in Timor. 



Otoceras, Episageceras, Hungarites, etc. 



Paralecanites. 



Otoceras, Hungarites, Gastrioceras. 

 Episageceras, Medlicottia, Cyclolobus 



Popanoceras, Stacheoceras, Xenod- 



iscus, Xenaspis. 

 Cyclolobus, Stacheoceras. 



a 

 S 

 'a 

 o 



03 

 M 



Upper part of the middle Produc- 

 tus limestone of the Salt 

 .Range of India. 



Kuling shales of Spiti, Himalaya. 



Limestone of Chitlchun I, Him- 

 alaya. 



Limestone of Woabjilga, Kara- 

 korum. 



Xenaspis. 



Xenaspis, Cyclolobus, Krafftoceras. 

 Xenaspis, Stacheoceras, Krafftoceras. 



Xenodiscus (?) 





2. Sosio limestone of Sicily. 



Word beds of the Glass Moun- 

 tains, West Texas. 



Delaware Mountain beds. West 

 Texas. 



Thin-bedded limestone of Shat- 

 ter, West Texas. 



Beds of St. Girons, Pyrenees. 



Sandstone of Mrzla-Vodica, Croa- 

 tia. 



Trogkofel limestone of the Car- 

 nian Alps (ex parte?) 



Beds of Lo Ping, China? 



Beds of Tshau-Tien, China? 



Productus shales of Lilinthi, 

 Himalaya? 



Cephalopod-bearing beds of Bi- 

 taunu in Timor. 



Waagenoceras, Hyattoceras, Popano- 

 ceras, Stacheoceras, Adrianites, 

 Hofmannia, Medlicottia, Propinaco- 

 ceras, Parapronorites, Sicanites, 

 Daraelites, Thalassoceras, Paracel- 

 tites, Agathiceras, Doryceras, Clino- 

 lobus, Gastrioceras, Nomismoceras. 



(?) 



Medlicottia, Gastrioceras, Paracel- 

 tites, Agathiceras, Adrianites, 

 Stacheoceras, Waagenoceras. 



Waagenoceras, Agathiceras, .Gastri- 

 oceras, Paraceltites, Peritrochia, 



Dalmatites. 



Daraelites, Gastrioceras, Paraceltites. 

 Gastrioceras, Adrianites, Stacheocer- 

 as, Paraceltites, Medlicottia. 

 Popanoceras, Thalassoceras. 



Gastrioceras. 



Gastrioceras, Agathiceras. 



Hyattoceras?, Hofmannia?, Gastric 

 ceras, Pericyclus, Lilinthiceras, 

 Aganides, Nomismoceras. 



Agathiceras, Gastrioceras, Popano- 

 ceras, Propinacoceras,. Paraprono- 

 rites, Medlicottia. 



1. Leonard beds of the Glass Moun- 

 tains, West Texas. 



Brecciated zone of Shatter, West 

 Texas. 



Cephalopod-bearing beds of Cen- 

 tral Texas, Double Mountain 

 division. 



Medlicottia, Gastrioceras, Perrinites, 

 Paralecanites. 



Perrinites. 



Perrinites, Gastrioceras, 

 ceras, Medlicottia. 



Stacheo- 



2. Hess lirojestone and congl )m 

 erate of the Glass Mountains, 

 West Texas. 

 Cephalopod-bearing beds of Cen- 

 tral Texas (upper Wichita and 

 Clear Fork). 

 Cephalopod-bearing sandstones 

 (lower Arta beds) of the Ural 



Cephalopod-bearing limestones of 

 Darwas, Bokhara. 



Prothalassooeras, Marathonites. 



Perrinites, Paralegoceras, Stacheo- 

 ceras, Medlicottia. 



Pronorites, Parapronorites, Propina- 

 coceras, Gastrioceras, Agathiceras, 

 Adrianites, Stacheoceras, Mara- 

 thonites?, Popanoceras, Medlicot- 

 tia, Paraceltites?, Prothalassocer 

 as?, Goniatites?, Daraelites. 



Pronorites, Propinacoceras, Agath- 

 iceras, Stacheoceras, Thalasso- 

 ceras. 



1. Wolfcamp beds of the Glass 

 Mountains, West Texas. 



Daraelites, Uddenites, Gastrioceras, 

 Schistoceras, Paralegoceras, Aga- 

 thiceras, Marathonites, Vidrioce)- 

 as. 



Carbon- 

 iferous. 



Upper Carboniferous. 



Schistoceras, Stacheoceras?, Parale- 

 goceras, Gastrioceras, etc. 



