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Bioessays. 2001 Nov;23(11):987-91.

Turtles as hopeful monsters.

Author information

1
Department of Geology, The Field Museum, 1400 S Lake Shore Drive, Chicago, IL 60605-2496, USA. rieppel@fieldmuseum.org

Abstract

A recently published study on the development of the turtle shell highlights the important role that development plays in the origin of evolutionary novelties. The evolution of the highly derived adult anatomy of turtles is a prime example of a macroevolutionary event triggered by changes in early embryonic development. Early ontogenetic deviation may cause patterns of morphological change that are not compatible with scenarios of gradualistic, stepwise transformation.

PMID:
11746214
DOI:
10.1002/bies.1143
[Indexed for MEDLINE]
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