Maastrichtian
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The Maastrichtian is, in the International Commission on Stratigraphy geologic timescale, the latest age of the Late Cretaceous Epoch or Upper Cretaceous Series, the Cretaceous Period or System, and o
Rendzina soil on the Maastrichtian Chalk in Kozubów Landscape Park, Poland
Fossil of Hemipneustes leymeriei
The Cretaceous–Paleogene extinction event, formerly known as the Cretaceous–Tertiary extinction event, was a major mass extinction of three-quarters of the plant and animal species on Earth which occu
Maastrichtian
…the Paleogene and Paleocene). It is named after the city of Maastricht, the capital and largest city of the Limburg province in the Netherlands. The Cretaceous–Paleogene extinction event (formerly known as the Cretaceous–Tertiary extinction event) occurred at the end of this age. In this mass extinction, many commonly recognized groups…
Discoscaphites iris, an ammonite from the Owl Creek Formation (Upper Cretaceous), in Owl Creek near Ripley, Mississippi
Rudist bivalves from the Late Cretaceous of the Omani Mountains, United Arab Emirates. Scale bar is 10 mm.
Tyrannosaurus was among the dinosaurs living on Earth before the extinction
Hell Creek Formation