Subject ASC0003u1y
The geological magazine, or, Monthly journal of geology.
n.s. decade 4, v. 4 (1897), Page 282 (1864)
Smithsonian Libraries
BHL Page 30845176
Keywords
Brancoceras Ixion hall cast goniatite limestone kinderhook rockford indiana america usa peripheral suture spiral shell lateral lobe line ammonite #seashell ribbed acanthoceratacean Albian Lower Cretaceous subquadrate whorl venter fossil saddle animals cephalopod animal cephalopoda