Cretaceous - Wikipedia, the free encyclopedia
The Cretaceous (pronounced /kriːˈteɪʃəs/), Latin language for "chalky", usually abbreviated K for its German translation Kreide (chalk), is a geologic period and system from ...
Cretaceous–Tertiary extinction event - Wikipedia, the free ...
The Cretaceous–Tertiary extinction event, which occurred approximately 65.5 million years ago , was a large-scale mass extinction of animal and plant species in a geologically ...
All Things Cretaceous
An array of digital resources related to the Cretaceous are ... Exploring the Upper Cretaceous Hell Creek Formation through the Eyes of a Stratigrapher ...
Cretaceous - New World Encyclopedia
The end of the Cretaceous defines the boundary between the Mesozoic and Cenozoic ... or burst of diversity separated the Cretaceous from the Jurassic. ...
Cretaceous Summary and Analysis Summary
Cretaceous summary with 18 pages of encyclopedia entries, essays, summaries, research information, and more. ... The Cretaceous period is the third of the ...
Cretaceous period: Information from Answers.com
Cretaceous Period Interval of geologic time from c. 145.5 to 65.5 million years ago. ... At the beginning of the Lower Cretaceous in North America, the Mexican Sea of ...
The Cretaceous Extinction
85 percent of all species died in the K-T extinction at the end of the Cretaceous period. This article provides information on the geological setting, the species affected and the ...
Cretaceous Period definition of Cretaceous Period in the Free Online ...
Cretaceous period (krĭtā`shəs), third and last period of the Mesozoic era Mesozoic era (mĕz'əzō`ĭk) [Gr..... Click the link for more information.
Cretaceous
The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of ...
Cretaceous period Facts, information, pictures | Encyclopedia.com ...
Get information, facts, and pictures about Cretaceous period at Encyclopedia.com. Make research projects and school reports about Cretaceous period easy with credible articles ...
The Cretaceous Extinction
85 percent of all species died in the K-T extinction at the end of the Cretaceous period. This article provides information on the geological setting, the species ...
Cretaceous - definition of Cretaceous by the Free Online Dictionary ...
Cre·ta·ceous (kr-t sh s) adj. 1. Of or belonging to the geologic time, system of rocks, and sedimentary deposits of the third and last period of the Mesozoic Era, characterized ...
Cretaceous Period (geochronology) -- Britannica Online Encyclopedia
The Cretaceous began 145.5 million years ago and ended 65.5 million years ago; it followed the ... time scale The name Cretaceous is derived from creta, ...