作者: William A. Cobban , William James Kennedy
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摘要: Ammonites are locally abundant in the Owl Creek Formation northeastern Mississippi. The assemblage is dominated numerically by Eubaculites carinatus (MORTON, 1834), a widely distributed marker fossil for the Maastrichtian that also occurs South America, southern Africa, Madagascar, western Australia, southern India, and Europe. It is accompanied Sphenodiscus pleurisepta (CONRAD, 1857), Baculites cf. B. claviformis STEPHENSON, 1941, B . B. undatus Discoscaphites iris 1858), D. sphaeroidalis sp. nov., D D. conradi 1834).