THK I'KKMl.VN SVSIKM 



327 



Bryo Fenestella, Synocladia,* Acanthocladia. 



Brachiopoda. Dielasma, Camarophoria, Spirifer, Productus, Stropha- 



losia, Aulosteges.* 

 Lamcllibranchia. Allorisma, Bakevellia,* Gervillia,* (Hoeraesia), 



Schizodus, Pseudomonotis, Pleurophorus. 



Gastropoda. Bellerophon, Loxoncma, Naticopsis, Pleurotomaria. 



Cephalopoda. Medlicottia,* Popanoceras,* Thallassoceras,* Cyclolo- 



bus, Temnocheilus. 

 Pisces. Acrolepis,* Acanthodes, Cselacanthus, Amblypterus, 



Palaeoniscus, Xenacanthus.* 



Fig. 106. SOME PERMIAN FISH. 



* o. Platysomna striatus. 6. Coelaoanthiis granulosus. 



c. Falieoniscus coniptus. 



The freshwater and terrestrial fauna is of special importance 

 because it includes the earliest representatives of the Eeptilia. 

 The most conspicuous members of this fauna are : 



Crustacea. Uronectes ( = Gampsonyx). 



Amphibia. Archegosaurus, Actinodon, Branchiosaurus, Dasyceps, 



Lepidotosaurus. 

 Eeptilia. Two orders of Reptilia are re presented, viz. : (l)Rhyn- 



chocephala, by Proterosaurtis and Palaeohatteria ; (2) 



Theromorpha, by Pareiasaurus, Elginia, Gordonia, 



Gcikia. 



