THE UPPER CRETACEOUS AMMONITES GENUS BARROISICERAS IN THE UNITED STATES
THE UPPER CRETACEOUS AMMONITES GENUS BARROISICERAS IN THE UNITED STATES THE UPPER CRETACEOUS AMMONITES GENUS BARROISICERAS IN THE UNITED STATES

THE UPPER CRETACEOUS AMMONITES GENUS BARROISICERAS IN THE UNITED STATES

THE UPPER CRETACEOUS AMMONITES GENUS BARROISICERAS IN THE UNITED STATES  //  John B. REESIDE, 1931  //  geological survey Washington - professional paper 170-B  //  tiré a part,  pp 9/29, 8 planches

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THE UPPER CRETACEOUS AMMONITES GENUS BARROISICERAS IN THE UNITED STATES

 

John B. REESIDE, 1931

 

geological survey Washington - professional paper 170-B

 

tiré a part,  pp 9/29, 8 planches

 

 

 

 

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