Subject ASC0003tfj

The geological magazine, or, Monthly journal of geology.
Decade 3:v. 7 (1890), Page 419 (1890)
Smithsonian Libraries
BHL Page 30522403

Keywords

heteraster oblongus neocomian shell ostrea macroptera Heteraster oblongus Ostrea macroptera Neocomian moluscs ostrea maropetra moluscs upper lower surface test meocomian fossil

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