Some Middle Cenomanian (Upper Cretaceous) Acanthoceratid Ammonites from the western interior of the United States | Bookitis

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Some Middle Cenomanian (Upper Cretaceous) Acanthoceratid Ammonites from the western interior of the United States

William Aubrey Cobban

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Some Middle Cenomanian (Upper Cretaceous) Acanthoceratid Ammon...William Aubrey Cobban

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William Aubrey CobbanPublished 19871 title views

See journals under US Geological survey. Prof. paper 1445.

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Publisher	U.S. Geological Survey
Pages	28
Search language	english

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Some Middle Cenomanian (Upper C...William Aubrey Cobban
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Some Middle Cenomanian (Upper Cretaceous) Acanthoceratid Ammonites from the western interior of the United States
William Aubrey Cobban | U.S. G.P.O, For sale by the Books and Open-File Reports Section, U.S. Geological Survey | 1987
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