The evolutions of the Palaeognathous birds

The evolutions of the Palaeognathous birds

(Sander Gussekloo)

Functional morphology and evolutionary patterns

The evolution of birds has fascinated biologists fior many years. Many aspects of the evolution of birds are still uncertain and only recently biologists seems to have reached a consensus that dinosaurs and birds are closely related (Padian & Chiappe, 1998). However, the phylogenetic relationship within birds, and the monophyly of the taxon Aves are still under dispute.

The evolution of the avion taxon Palaeognathae, especially, has puzzled biologist for more than a century. It is still unclear whether this taxon is monophyletic and what the phylogenetic relation is between this taxon and all other birds.

In this theses functional and evolutionary morphology is used to investigate the evolution of the Palaeognathous birds with special focus on cranial characters and their interrelation with feeding behaviour.

Proefschrift van de auteur (1971), dat hij op 03.05. 2000 verdedigde bij de Universiteit van Leiden.

Paperback, 182 pag.

Uitg. Gussekloo, 2000

ISBN 909013688

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