South American and Antarctic Continental Cenozoic Birds - Paleobiogeographic Affinities and Disparities (Paperback, 2013 ed.)

Modern birds (Neornithes) are represented by two big lineages, the Palaeognathae (Tinamiformes + Ratitae) and the Neognathae [Galloanserae + Neoaves (Metaves + Coronoaves)]. Both clades sum approximately 10,000 species of which 60% are Passeriformes (the most diverse clade of terrestrial vertebrates). A comparison between the past and the present reveals a complex and hallmarked evolutionary and biogeographic history which would have begun over 65 million years ago. For South America (SA) this includes: (1) the presence of taxa with uncertain affinities and the absence of Passeriformes during the Paleogene; (2) a progressive and accelerated increase of the species starting at the Neogene (Miocene); (3) important extinct lineages (e.g. Phorusrhacidae, Teratornithidae) that migrate to North America after the rising of the Panama isthmus; (4) groups with major diversification in the Neogene that survives nowadays represented by scarce species endemic of SA (Cariamidae) or that inhabits mainly in the southern hemisphere (Anhingidae); (5) very diverse living groups with scarce (e.g., Passeriformes) or none (e.g., Apodiformes) fossil record in SA, which stem-groups are registered in Europe. Apparently, the changes in diversity of the south American Neornithes have been the result of successive radiation, biogeographic connections with North America and in a minor scale, some extinctions. The opening of the Drakes passage and the occurrence of the circumpolar Antarctic flow are not sufficient causes to explain the highly disparity between the weddelians penguins (Sphenisciformes) of Antartica and those of the patagonian Atlantic Ocean.

General

Imprint:	Springer
Country of origin:	Netherlands
Series:	SpringerBriefs in Earth System Sciences
Release date:	December 2012
First published:	2013
Authors:	Claudia P Tambussi • Federico Degrange
Dimensions:	235 x 155 x 10mm (L x W x T)
Format:	Paperback
Pages:	113
Edition:	2013 ed.
ISBN-13:	978-9400754669
Categories:	Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Evolution Books > Science & Mathematics > Biology, life sciences > Botany & plant sciences > General Books > Earth & environment > Earth sciences > Palaeontology > General Promotions
LSN:	9400754663
Barcode:	9789400754669

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