yr 〜
yr

Search results 3

Some acanthoceratid ammonites from Upper Cenomanian (Upper Cretaceous) rocks of Wyoming / by William A. Cobban (U.S. Geological Survey professional paper ; 1353)

Some acanthoceratid ammonites from Upper Cenomanian (Upper Cretaceous) rocks of Wyoming / by William A. Cobban (U.S. Geological Survey professional paper ; 1353)
Microform図書
1988<YCA-I 19.16:1353>
National Diet Library
  • Subject HeadingAcanthoceratidae Paleontology -- Cretaceous Pa...

Some Middle Cenomanian (Upper Cretaceous) Acanthoceratid Ammonites from the western interior of the United States / by William A. Cobban (U.S. Geological Survey professional paper ; 1445)

Some Middle Cenomanian (Upper Cretaceous) Acanthoceratid Ammonites from the western interior of the United States / by William A. Cobban (U.S. Geological Survey professional paper ; 1445)
Microform図書
1987<YCA-I 19.16:1445>
National Diet Library
  • Subject HeadingAcanthoceratidae Paleontology -- Cretaceous Pa...

Tarrantoceras Stephenson and related ammonoid genera from Cenomanian (Upper Cretaceous) rocks in Texas and the western interior of the United States / by William A. Cobban (U.S. Geological Survey professional paper ; 1473)

Tarrantoceras Stephenson and related ammonoid genera from Cenomanian (Upper Cretaceous) rocks in Texas and the western interior of the United States / by William A. Cobban (U.S. Geological Survey professional paper ; 1473)
Microform図書
1988<YCA-I 19.16:1473>
National Diet Library
  • Subject HeadingAcanthoceratidae Paleontology -- Cretaceous Pa...

Reached to the end of result.