The Origin of Animal Body Plans: Recent fossil finds and new insights into animal development are providing fresh perspectives on the riddle of the explosion of animals during the Early Cambrian
D. Erwin, J. Valentine, D. Jablonski March-April 1997 American Scientist

This article concerns the origins of 'key innovations' and 'evolutionary novelties', or the evolution of animal form. The authors discuss the evidence from the fossil record and the developmental genetic sequences of animals in order to decipher the history of taxonomic divergence.


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Subject: Geoscience:Geology:Igneous and Metamorphic Petrology:Igneous Rocks, Geoscience:Geology:Sedimentary Geology:Stratigraphy
Resource Type: Scientific Resources:Research Results, Overview/Reference Work, Journal Article
Theme: Teach the Earth:Course Topics:Petrology, Sedimentary Geology, Paleontology