Baculites thomi Reeside, 1927, an Upper Cretaceous ammonite in the Western Interior of the United States

The heteromorphic ammonite Baculites is an important marker fossil for much of the marine Upper Cretaceous of the Western Interior of the US. Baculites thomi Reeside, 1927, is a previously poorly known species that is herein redescribed from well-preserved material from the top of the Kevin Member o...

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Những tác giả chính: Cobban, W, Kennedy, W
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: 1991