Subject ASC0000z6t
The Quarterly journal of the Geological Society of London.
v.37 (1881), Page 476 (1881)
Smithsonian Libraries
BHL Page 43971742
Keywords
frog megacephalus brachycephalus rice fossils plesiosaurs comparative anatomy Plesiosaurus megacephalus Plesiosaurus brachycephalus P. Brachycephalus P. Brachyciphalus fossil chart description Megacephalus bones plesiosaur measurements comparison paleontology