PEDIGREE OF THE NON-AMNIONATE CRANTIOTA, 209 
Plectognathi Anura 
| Lophobranchia Peromela 
Sozura 
a ai ee Labyrinthodonta 
Stichobranchia 
Physoclisti 
NS _ ra 
Enchelygenes Ganocephala § Sozobranchia 
Phractamphibia Lissamphibia 
es 
Thrissogenes Amphibia 
Physostomi Semzeopteri 
Teleostei Protopteri 
Falcrati Plesio- 
sauria 
Pycnoscolopes Ichthyo- 
sauria 
Cceloscolopes Efuleri 
Cycliferi Rhombiferi 
(Cycloganoides) (Rhomboganoides) 
Dipneusta . 
Placoderma Simosauria 
Sturiones Halisauria 
Cephalaspidze Rajacei 
Amphipneumona 
Pamphracti 
Tabuliferi 
(Placoganoides) Chimeeracei 
Ganoides Holocephali 
Squalacei 
Plagiostomi 
5 a eS eee 
27 
Selachii 
Fish 
Amphirrhina 
Cyclostoma 
Monorrhina 
Craniota 
