138 THE BRITISH AMPHIBIANS. 



NYRANID&. 



Erpetocephalus rugosus (Coal Measures). 

 Ichthyerpeton bradleyse (Coal Measures). 

 Ichthyerpeton hibernicum (Coal Measures). 



ARCHJEGOSA URID&. 



Pholidogaster pisciformis (Lower Carboniferous), 

 Pholiderpeton scutigerum (Coal Measures). 



MICROSAURIA. 



UROCORDYLIDJE. 



Urocordylus reticulatus (Coal Measures). 

 Urocordylus wandesfordi (Coal Measures). 

 Keraterpeton galvani (Coal Measures). 

 Lepterpeton dobbsi (Coal Measures). 



DOLICHOSOMA T1DJE. 



Dolichosoma emersoni (Coal Measures). 

 Ophiderpeton brownriggi (Coal Measures). 



BRANCHIOSAURIA. 



PROTRITONID&. 



Batrachiderpeton lineal um (Coal Measures). 

 Pteroplax brevicornis (Coal Measures). 

 Pteroplax cornuta (Coal Measures). 

 Anthrakerpeton crassosteum (Coal Measures). 

 Lepidotosaurus duffi (Magnesian Limestone). 



