158 



TELEOSTOMES 



viva] (Palasozoic-Mesozoic) have made it the most widely 

 known of fossil fishes. Of all extinct Ganoids there 



Fig. 162. — Aspidorhynckui (icutirostr is, Aga.ss\z. X §. (.After ZiTTEL.) fura, 

 Solenhofen. 



appears to attach to Palaeoniscus the greatest morphological 

 interest ; on the one hand, it seems closely akin to the 



Fig. it^. — Microdot! ruagneri, Thiolli&re. X \. (From ZiTTEL, after Thiol- 

 LIERE.) Jura, Cerin. 



