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), 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.
|Digital Object Identifier (DOI):||doi:10.1111/1475-4983.00126|
|Subjects:||Q Science > QE Geology|
|Divisions:||Faculty of Natural and Environmental Sciences > Ocean and Earth Science > Ocean Biochemistry & Ecosystems
|Date Deposited:||09 Dec 2011 09:21|
|Last Modified:||09 Dec 2015 10:35|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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