PEDIGREE OF THE NON-AMNIONATE CRANTOTA. 209 



Anura 



Plectognathi 



Lophobranchia 



Stichobranchia 

 Physoclisti 



Peromela 



Labyrinthodonta 



Enchelj'genes 



Soznra 



Ganocephala Sozobranchia 

 Phractamphibia Lissamphibia 



Thrissogenes 



Physostomi 



Teleostei 



Pycnoscolopes 



I 

 CcBloscolopes 

 Cycliferi 

 (Cycloganoides) 



Semaeopteri 



Amphibia 



Fnlcrati 



Protopteri 



Efalcri 

 Rhombiferi 

 (Rhomboganoides) 



Stnriones 

 Cepbalaspidse 



Paiaphracti 



Tabuliferi 



(Placoganoides) 



Ganoides 



Squalacei 



Placoderma 



Dipneusta 



Rajacei 



Iclithyo- 

 sauria 



Plesio- 

 sauria 



Simosauria 

 Halisauria 



Amphipneumona 



Chimseracei 

 Holoeepliali 



Plagiostomi 



Selacliii 



Fisb 



Amphirihina 



Cyclostoma 

 Monorrhina 



Cranio ta 



VOL. II. 



