The Cenomanian (also known as Woodbinian) is the first stage of the Late CretaceousEpoch. It spans the time between 99.6 ± 0.9 Ma and 93.5 ± 0.8 Ma (million years ago). The late Cenomanian represents the highest sea-level observed in the past six hundred million years (approximately one hundred and fifty meters above present day sea-levels). Faunal stages are a subdivision of geologic time used primarily by paleontologists who study fossils rather than by geologists who study rock formations. ... Geography of the US in the late Cretaceous Late Cretaceous (also called the Upper Cretaceous) refers to the second half of the Cretaceous period, named after the famous white chalk cliffs of southern England, which date from this time. ... A division of geologic time less than a period and greater than an age. ... Annum is a Latin noun meaning year. ...
Fauna
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Geologic Formations
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