from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A category of biological classification based on morphology rather than phylogeny. Used especially of fossil plants and deuteromycetes.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun taxonomy A collection of
organismsthat is given formal recognition at the rankof genuswith a taxonomic name, but which is known to be an artificialgroup rather than a naturalone.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun (biology) an artificial taxonomic category for organisms of which the true relationships are obscure
- noun an artificial taxonomic category established on the basis of morphological resemblance for organisms of obscure true relationships especially fossil forms
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