Subject ASC0003tgr
The geological magazine, or, Monthly journal of geology.
Decade 3:v. 10 (1893), Page 446 (1893)
Smithsonian Libraries
BHL Page 30553962
Keywords
Monocladodus Clarki fossil upper devonian fish ohio america north america united states fin tooth teeth pectoral abdomen claypole shark Fig. 2- Head pectoral fins and abdominal region of Monocladods Clarki Claypole with teeth enlarged marine head Prof. E. W. Claypole Upper Devonian Fishes Ohio Monocladodus Clarki