One of the mysteries of the English language finally explained.
1Relating to or denoting the earliest epoch of the Tertiary period, between the Cretaceous period and the Eocene epoch.
- ‘Echinoids are among the most conspicuous and diverse constituents of the Upper Cretaceous and Paleocene marine invertebrate fauna of Argentina.’
- ‘Both polar and Tethyan dispersal routes have been well documented for Cretaceous and Paleocene decapod crustaceans.’
- ‘This trend is evident at a coarse scale in a comparison of the combined rarefaction curves for sites from the uppermost 15 m of the Cretaceous against all Paleocene sites.’
- ‘Initiation of a cold, upwelling current off the west coast of South America dates back to latest Cretaceous to earliest Palaeocene times.’
- ‘Terrestrial deposits contain fossils ranging from Paleocene leaf imprints to Cretaceous dinosaur remains.’
- 1.1as noun the Palaeocene The Palaeocene epoch or the system of rocks deposited during it.
The Paleocene epoch lasted from 65.0 to 56.5 million years ago. It was a time of sudden diversification among the mammals, probably as a result of the mass extinctions (notably of the dinosaurs) which occurred at the end of the Cretaceous period (see Cretaceous–Tertiary boundary)
Late 19th century: from palaeo- + Greek kainos ‘new’.
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