A new psittaciform bird from the London Clay (Lower Eocene) of England

Dyke, Gareth J. and Cooper, Joanne H. (2000) A new psittaciform bird from the London Clay (Lower Eocene) of England Palaeontology, 143, (2), pp. 271-286. (doi:10.1111/1475-4983.00126).


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A new psittaciform bird from the Lower Eocene (Ypresian) London Clay of England is described. This taxon, Pulchrapollia gracilis gen. et sp. nov., is assigned to the order Psittaciformes (parrots) on the basis of several distinctive structures of the tarsometatarsus, namely the trochlea for metatarsal III (trochlea metatarsi III) bearing a tubercle on its lateral side and the trochlea for metatarsal IV (trochlea metatarsi IV) completely retroverted (fully zygodactyl foot). Comparisons with other fossil and Recent taxa further support this conclusion. Cladistic analysis shows that Pulchrapollia is the sister-taxon of the single extant family within Psittaciformes, the Psittacidae. Palaeopsittacus georgei, a taxon previously described from the London Clay, is most likely based on some unassociated material and is regarded here as incertae sedis.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1111/1475-4983.00126
ISSNs: 0031-0239 (print)
Organisations: Ocean Biochemistry & Ecosystems
ePrint ID: 205321
Date :
Date Event
June 2000Published
Date Deposited: 09 Dec 2011 09:21
Last Modified: 18 Apr 2017 01:05
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/205321

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