GRADES IN THE EVOLUTION AND CLASSIFICATION OF INSECTS
Open Access
- 1 June 1967
- journal article
- Published by Wiley in Australian Journal of Entomology
- Vol. 6 (1) , 3-11
- https://doi.org/10.1111/j.1440-6055.1967.tb02130.x
Abstract
Grades of organization, of the kind recognized in vertebrates by de Beer and J. S. Huxley, are a conspicuous feature of the insects also. Four can be distinguished by well‐defined anagenetic gaps: apterygote; palaeopterous and exopterygote; neopterous and exopterygote; neopterous and endopterygote. As grades can be defined more clearly than phylogeny at higher taxonomic levels and the reverse is true at lower levels, it is suggested that a classification can be made to reflect both without confusing the user.Keywords
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