Subject ASC0003tf2

The geological magazine, or, Monthly journal of geology.
Decade 3:v. 5 (1888), Page 487 (1888)
Smithsonian Libraries
BHL Page 30533987

Keywords

Actinocerus Bigsbyi Thessalon Island Lake Huron endosiphon fossil Versailles Kentucky cephalopods Actinoceras bigsbyi shell structure morphology spine Mollusk Actinoceras Central Europe South-west Europe fragment siphunele septal chambers Belgium Spain Sardinia Montagene Noire France cambrian system

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