PALAEONISCOIDEl 



Trias, N.S. Wales. Coccolepis, Ag. ; Trias, N.S. "Wales, and Lower Lias, 

 England. Oxygnathus, Ag. ; Centrolepis, Eg. ; Lower Lias, England. 



Sub-Family TRISSOLEPINAE. Very like Palaeoniscinae ; but there 

 are no fulcra except on the upper caudal lobe, the lepidotrichia are 



imbranched, and the scales behind the head have toothed edges, while those 

 on the hinder trunk- region are cycloid, and those on the tail remain 

 rhomboid. The palate is strongly toothed (Fritsch [139]) 



Trissolepis, Fritsch ; Permian, Bohemia (Fig. 289). 



Family PLATYSOMIDAE. In everything but the shape of the head 



