CARBONIFEROUS AND PERMO-CARBONIFEKOUS ROCKS, N.S.W. 331 



Schellwien and Kossmat, as quoted by Prof. O. Schuchert, 

 have shown that the Bellerophon limestone of the Oarnic 

 Alps with its Richthofenia, Productus indicus, Lonsdaleia 

 incllca, etc., is to be directly correlated with the Productus 

 Limestone of the Salt Range in which Richthofenia occurs 

 throughout. Next that the Bellerophon limestone passes 

 upwards conformably into the Werfen beds (Triassic); 

 therefore the Bellerophon limestone is Upper Permian 

 and the whole of the Productus limestone of India is con- 

 sequently Permian, possibly Upper or Middle Permian. The 

 conformably underlying "Lavender Shales "and "Speckled 

 Sandstone " with the glacial boulder beds and tillites in the 

 Salt Range and the Eurydesma cordatum, Conularia beds 

 (Pre-Greta in age) are probably also Permian, for in New 

 South Wales this fauna is associated with an extraordinary 

 abundance of Protoretepora ampla; Protoretepora ampla 

 is also very abundant and characteristic in the Upper 

 Po Series of the Himalayas associated with Lyttonia, a 

 brachiopod specially characteristic of the Middle Productus 

 limestone of the Salt Range. Moreover in the Zewan beds 

 of Kashmir the Protoretepora ampla shales overlie Glos- 

 sopteris coal measures, and in the latter remains occur of 

 the labyrinthodont Archegosaurus. The latter is considered 

 to be not older than Lower Permian. 



In regard, therefore, to the Greta Coal measures of New 

 South Wales and the extraordinarily abundant Protorete- 

 pora ampla and Strophalosla Clarkei both in the Branxton 

 Beds of the Upper Marine Series and in the Lower Marine 

 Series just above the Eurydesma beds at Allandale, we 

 may conclude provisionally that judged by the European 

 standard the whole of it appears to be Permian. 



Can the Eurydesma beds themselves and the 2400 feet of 

 strata which separate this horizon from the top tillite of 

 Kuttung also be considered to be Permian ? 



