Subject ASC0003sia
The geological magazine, or, Monthly journal of geology.
[Decade 1]:v. 9 (1872), Page 252 (1872)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32579811
Keywords
Principal Dawson Sauropus unguifer footprints no tail scales footprints of Sauropus unguifer dawson carboniferous sandstone nova scotia canada Nova Scotia dinosaur