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)