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What is the meaning of CRETA. Phrases containing CRETA
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What is the meaning of CRETA. Phrases containing CRETA
See meanings and uses of CRETA!CRETA
CRETA
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CRETA
Acronyms & AI meanings
Informationszentrum Kindesmisshandlung / Kindesvernachlässigung
Forward Volatility Agreement
Action for Bridgeport Community Development
Gran Turismo Omalagatto
Association of Women Accountants
Beyond Body Odor
Australian Milking Zebu
Weld County Sheriffs Office
Content Production Suite
International Structural Engineering and Construction
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An extensive series of strata, principally developed in the Rocky Mountain region, as in the Laramie Mountains, and formerly supposed to be of the Tertiary age, but now generally regarded as Cretaceous, or of intermediate and transitional character. It contains beds of lignite, often valuable for coal, and is hence also called the lignitic group. See Chart of Geology.
CRETA
n.
A genus of large arenaceous fossil Foraminifera found in the Cretaceous rocks. The species are globular, or nearly so, and are of all sizes up to that of a tennis ball.
n.
A genus of large and very beautiful trees of North America, having smooth, shining leaves, and handsome, tuliplike flowers; tulip tree; whitewood; -- called also canoewood. Liriodendron tulipifera is the only extant species, but there were several others in the Cretaceous epoch.
n.
A term applied to the lowest deposits of the Cretaceous or chalk formation of Europe, being the lower greensand.
n.
One of the subdivisions into which the Upper Cretaceous formation of Europe is divided.
n.
A genus of huge, carnivorous, dinosaurian reptiles from the Cretaceous formation of the United States. They had very large hind legs and tail, and are supposed to have been bipedal. Some of the species were about eighteen feet high.
n.
A fossil bivalve mollusk of the genus Hippurites, of many species, having a conical, cup-shaped under valve, with a flattish upper valve or lid. Hippurites are found only in the Cretaceous rocks.
n. pl.
An extinct order or suborder of bivalve mollusks characteristic of the Cretaceous period; -- called also Rudista. See Illust. under Hippurite.
a.
Having the qualities of chalk; abounding with chalk; chalky; as, cretaceous rocks and formations. See Chalk.
n.
A genus of large, extinct, wingless birds from the Cretaceous deposits of Kansas, belonging to the Odontornithes. They had teeth, and were essentially carnivorous swimming ostriches. Several species are known. See Illust. in Append.
n.
An edifice or place full of intricate passageways which render it difficult to find the way from the interior to the entrance; as, the Egyptian and Cretan labyrinths.
n.
An extinct genus of toothed birds found in the American Cretaceous formation. It is remarkable for having biconcave vertebrae, and sharp, conical teeth set in sockets. Its wings were well developed. It is the type of the order Odontotormae.
n.
Any species of ammonites of the genus Lituites. They are found in the Cretaceous formation.
a.
In european geology, a name given to the middle division of the Upper Cretaceous formation.
n.
A genus of American Cretaceous pterodactyls destitute of teeth. Several species are known, some of which had an expanse of wings of twenty feet or more.
n.
Any one of numerous species of siliceous fossil sponges belonging to Ventriculites and allied genera, characteristic of the Cretaceous period.
n.
An extinct genus of marine reptiles; -- so named from their short, biconcave vertebrae, resembling those of fishes. Several species, varying in length from ten to thirty feet, are known from the Liassic, Oolitic, and Cretaceous formations.
n.
Any fossil cephalopod shell of the genus Scaphites, belonging to the Ammonite family and having a chambered boat-shaped shell. Scaphites are found in the Cretaceous formation.
n. pl.
An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also Ichthyopterygia. They have not been found later than the Cretaceous period.
a.
Of or pertaining to the lowest division of the Cretaceous formation in England and on the Continent, which overlies the Oolitic series.
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