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1 January 2012 A New Species of Oligo-Miocene Darter (Aves: Anhingidae) from Australia
Trevor H. Worthy
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A single fossil tarsometatarsus from the Etadunna Formation, of Late Oligocene—Early Miocene age, at the Snake Dam Locality in South Australia reveals the first pre-Pliocene record of anhingids in Australia. Anhinga walterbolesi sp. nov. provides the oldest record globally for the Anhingidae and, with the contemporary presence of stem-group phalacrocoracids in the same formation, indicates a probable Early Oligocene to Eocene age for the common ancestor of anhingids and phalacrocoracids.

© 2012 by The American Ornithologists' Union. All rights reserved. Please direct all requests for permission to photocopy or reproduce article content through the University of California Press's Rights and Permissions website,
Trevor H. Worthy "A New Species of Oligo-Miocene Darter (Aves: Anhingidae) from Australia," The Auk 129(1), 96-104, (1 January 2012).
Received: 15 September 2011; Accepted: 1 December 2011; Published: 1 January 2012
bird fossil
South Australia
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