The zootype and the phylotypic stage - PubMed (original) (raw)

. 1993 Feb 11;361(6412):490-2.

doi: 10.1038/361490a0.

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The zootype and the phylotypic stage

J M Slack et al. Nature. 1993.

Abstract

What is it that defines an animal? The definition provided here, made on the basis of developmental biology, suggests methods for resolving phylogenetic problems.

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