Similar words: herbaceous, curvaceous, secretary, secretariat, nacreous, undersecretary, secretary of state, face off. Meaning: [krɪ'teɪʃəs] 
n. from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants. adj. 1. abounding in chalk 2. of or relating to or denoting the third period of the Mesozoic era.
n. from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants. adj. 1. abounding in chalk 2. of or relating to or denoting the third period of the Mesozoic era. 
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121. The Santee Coastal Reserve core, a 545 ft deep borehole in northeastern Charleston County, South Carolina, recovered sediments of Late Cretaceous, Paleocene, Eocene, and Quaternary age.
122. The boundaries between the Upper Cretaceous and Paleogene, Paleocene and Eocene, and Eocene and Oligocene in China nearly accord with corresponding ones elsewhere in the world.
123. The Cretaceous extinction was like a terrible streak of bad luck lasting millions of years.
124. The Shiling sodalite syenite, Guangdong Province, is the only Early Cretaceous SiO 2 undersaturated alkali syenite known in the Nanling area, southeastern China.
125. The bones date from the Late Cretaceous epoch, about 85 million years ago.
126. The Bennettitales are a group of extinct seed plants that are similar to the cycads in both size and leaf morphology that existed from the Triassic to the early Cretaceous.
127. The Wuyun flora has more common elements with the Kivdin Flora (Paleocene) of Russia than with other floras of the Late Cretaceous to Eocene in East Asia and North America.
128. This clam fossil is from the Cretaceous Period,[http://sentencedict.com/cretaceous.html] approximately 100 million years ago.
129. Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.
130. One hundred and twenty million years ago, when a Cretaceous sea covered what is now South Australia, an ichthyosaur had a really bad day.
131. At late Cretaceous, resulting from transgression from west to east in Southwestern Tarim Basin, continental clasts decreased eastwardly, while marine facies took dominance.
132. Triassic is the oldest period of Mesozoic followed successively by Jurassic and Cretaceous Periods.
More similar words: herbaceous, curvaceous, secretary, secretariat, nacreous, undersecretary, secretary of state, face off, face-off, detach, in place of, get across, detached, in the face of, peace of mind, detachment, take the place of, place of worship, semidetached, crustacean, pretax, retain, retail, retard, retake, wiretap, retailer, retainer, retarded, foretaste.