Definition of Cambrian period

1. Noun. From 544 million to about 500 million years ago; marine invertebrates.

Exact synonyms: Cambrian
Group relationships: Paleozoic, Paleozoic Era
Generic synonyms: Geological Period, Period



Cambrian Period Pictures

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Lexicographical Neighbors of Cambrian Period

Cambarus
Camberwell beauties
Camberwell beauty
Cambodia
Cambodian
Cambodian accessories
Cambodian accessory
Cambodian capital
Cambodian monetary unit
Cambodianness
Cambodians
Camboj
Cambozola
Cambria
Cambrian
Cambrian period
Cambrians
Cambridge
Cambridge University
Cambridge blue
Cambro-
Cambro-Briton
Cambro-Britons
Cambs
Cambyses
Camden
Camdenite
Camdenites
CamelCase

Literary usage of Cambrian period

Below you will find example usage of this term as found in modern and/or classical literature:

1. An Introduction to Historical Geology: With Special Reference to North America by William John Miller (1916)
"... CHAPTER VI THE cambrian period THE Cambrian represents the earliest period of the great Paleozoic era, and the rocks which make up the Cambrian system ..."

2. A College Text-book of Geology by Thomas Chrowder Chamberlin, Rollin D. Salisbury (1909)
"THE PALEOZOIC EKA CHAPTER XVI THE cambrian period FORMATIONS AND PHYSICAL HISTORY The great crustal movements which brought the Proterozoic era to a close ..."

3. An Introduction to Geology by William Berryman Scott (1907)
"CHAPTER XXVI PALAEOZOIC ERA —cambrian period THE Palaeozoic is the oldest of the three main groups into which the normal fossiliferous strata are divided; ..."

4. Elements of Geology by Eliot Blackwelder, Harlan Harland Barrows (1911)
"CHAPTER XIII THE cambrian period The Cambrian rocks. ... it is evident that before the cambrian period began, most of North America had been for a time dry ..."

5. International Library of Technology: A Series of Textbooks for Persons by International Textbook Company (1908)
"The cambrian period ushers in the Silurian period, or Invertebrate age. The rocks are metamorphosed crystalline sandstone, slates, and schists, ..."

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