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Explaining the Cambrian "explosion" of animals

Article Abstract:

The Cambrian 'explosion' or radiation is considered as the most significant evolutionary transition seen in the fossil record. A variety of environmental, developmental and ecological explanations for this complex and protracted event are viewed, with a focus on how well each explains the observed increases in disparity and diversity, the time of onset of the radiation, its duration, and its uniqueness.

Author: Marshall, Charles R.
Publisher: Annual Reviews, Inc.
Publication Name: Annual Review of Earth and Planetary Science
Subject: Earth sciences
ISSN: 0084-6597
Year: 2006
United States, Environmental aspects, Radiation, Radiation (Physics), Fossils, Cambrian period

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Phylogenetic approaches toward crocodylian history

Article Abstract:

Phylogenetic approaches toward crocodylian history are discussed. The three main extant crocodylian lineages found during the Cenozoic are mentioned.

Author: Brochu, Christopher A.
Publisher: Annual Reviews, Inc.
Publication Name: Annual Review of Earth and Planetary Science
Subject: Earth sciences
ISSN: 0084-6597
Year: 2003
History, Cladistic analysis, Crocodiles, Crocodylidae

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