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

The zootype and the phylotypic stage.

Author information

1
Department of Zoology, University of Oxford, UK.

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.

PMID:
8094230
DOI:
10.1038/361490a0
[Indexed for MEDLINE]

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