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2023
Journal article
A new fossil from the London Clay documents the convergent origin of a “mousebird-like” tarsometatarsus in an early Eocene near-passerine bird
We describe a partial skeleton of a small bird from the lower Eocene London Clay of Walton-on-the-Naze (Essex, UK), which shows close affinities to two phylogenetically controversial early Paleogene taxa, Morsoravis sedilis (lower Eocene of Denmark) and Pumiliornis tessellatus (lower/middle Eocene of Germany). Our phylogenetic analysis supports a clade including...Mayr, Gerald ; Kitchener, Andrew C
Aves, Walton-on-the-Naze, Sororavis solitarius, Eocene, UK, and evolution
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2023
Journal article
New species from the early Eocene London Clay suggest an undetected early Eocene diversity of the Leptosomiformes, an avian clade that includes a living fossil from Madagascar
We report the first records of the leptosomiform taxon from the early Eocene London Clay of Walton-on-the-Naze (Essex, UK). Two species could be distinguished, one of which is described as , sp. nov. (the other is classified as sp.). We furthermore describe two small leptosomiform-like birds from Walton-on-the-Naze, , gen....Mayr, Gerald ; Kitchener, Andrew C
Waltonavis, gen. nov. , Ypresian , Walton-on-the-Naze, Lutavis, gen. nov. , fossil birds , Aves , and Plesiocathartes insolitipes, sp. nov.