Subject ASC0003yb8
The geologist : a popular monthly magazine of geology.
v.3 (1860), (1860)
American Museum of Natural History Library
BHL Page 47621994
Keywords
Camarophoria crumena carboniferous brachiopod dorsal valve ventral adductor occlusor muscle dental plate process cardinal socket visceral septum spatula marginal conjoined teeth deltidium fossil lampshell Carboniferous shell diagram