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

[Vendu] 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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