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Cambrian | |
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About 10 pages (3,066 words) in 3 products |
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Encyclopedia and Summary Information
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Cambrian Period Summary
1,016 words, approx. 3 pages Cambrian is the name given to a period of time in Earth's history (i.e., Cambrian Period), which spanned 570–510 million years ago. The proper name Cambrian is also given to all the rocks that formed during that time (i.e., Cambrian...
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Cambrian Period Summary
670 words, approx. 2 pages The Cambrian period (570 million years ago) marks an extraordinary shift in the evolution of life. It ushers in the beginning of the Paleozoic Era (the age of ancient life). Cambrian period and surrounding time periods. Era Period Epoch Million...
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Cambrian Information
1,380 words, approx. 5 pages
 The Cambrian is a major division of the geologic timescale that begins about 542 ± 1.0 Ma (million years ago) at the end of the Proterozoic eon and ended about 488.3 ± 1.7 Ma with the beginning of the Ordovician period (ICS, 2004)[1]. It is the first...



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 Discover
The Colorful Cambrian.
12/01/1998: 639 words, approx. 2 pages THE CAMBRIAN explosion--evolution's Big Bang--began some 543 million years ago. Within a mere 5 million years the ancestors of almost all animals now living--from mollusks to humans--suddenly appeared on Earth. There has been no lack of theories to explain the phenomenon. An increase in...
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 Journal of Paleontology
An Early Cambrian Radula
05/01/2008: 6,969 words, approx. 23 pages ABSTRACT- Microscopic teeth isolated from the early Cambrian Mahto Formation, Alberta, Canada, are identified as components of a molluscan radula, the oldest on record. Tooth-rows are polystichous and lack a medial rachidian tooth-column. Anterior-posterior differences in tooth-row morphology are interpreted as ontogenetic and...


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Cambrian | |
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