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Systematic relationships of the palaeogene family Presbyornithidae (Aves: Anseriformes)
Swedish Museum of Natural History, Research Division.ORCID iD: 0000-0002-4143-9998
1997 (English)In: Zoological Journal of the Linnean Society, ISSN 0024-4082, E-ISSN 1096-3642, Vol. 121, no 4, 429-483 p.Article in journal (Refereed) Published
Abstract [en]

The early Tertiary (Paleocene and Eocene) family Presbyornithidae is one of the most completely known group of fossil birds. Essentially all parts of the skeleton are represented in the fossil record, allowing a thorough analysis of the phylogenetic position of the family. Forty-two families of nonpasserine birds representing the orders Ciconiiformes, Anseriformes, Galliformes, Gruiformes and Charadriiformes, were included in a cladistic analysis of 71 skeletal characters. The previously suggested anseriform affinity of the Presbyornithidae was confirmed. Furthermore, the family proved to be closer to the Anatidae than to the Anhimidae or Anseranatidae. The many postcranial similarities with certain charadriiform birds as the Burhinidae, obviously are plesiomorphies. By this observation, a better undestanding of character evolution in nonpasserine skeletal morphology is gained. The often suggested close relationship of anseriform and galliform birds is not confirmed by osteology. Instead, the Anseriformes and the Phoenicopteridae form a monophyletic clade that is the sister to the remaining ciconiiform birds. This result renders the Ciconiiformes sensu Wetmore (1960) polyphyletic. (C) 1997 The Linnean Society of London.

Place, publisher, year, edition, pages
1997. Vol. 121, no 4, 429-483 p.
Keyword [en]
systematics, cladistic analysis, osteology, fossil birds, aves, nonpasserines, presbyornithidae, presbyornis, birds, evolution, origin
National Category
Other Earth and Related Environmental Sciences Biological Systematics
Research subject
Ecosystems and species history
Identifiers
URN: urn:nbn:se:nrm:diva-1183OAI: oai:DiVA.org:nrm-1183DiVA: diva2:797329
Funder
Swedish Research Council
Note

Yu701 Times Cited:70 Cited References Count:100

Available from: 2015-03-23 Created: 2015-03-23 Last updated: 2015-03-23Bibliographically approved

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