Subject ASC0003tb5
The geological magazine, or, Monthly journal of geology.
Decade 3:v. 5 (1888), (1888)
Smithsonian Libraries
BHL Page 30533488
Keywords
shading dinosaur fossil fossils stegosaurus stegosaurus ungulatus stegosaurus sulcatus spine dorsal spine caudal spine Colorado Jurassic upper Jurassic plates bones bone sketch spiky