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2023
Journal article
Multiple skeletons of Rhynchaeites from the London Clay reveal the osteology of early Eocene ibises (Aves, Threskiornithidae)
We describe a new species of from the early Eocene London Clay of Walton-on-the-Naze (Essex, UK), which is represented by a partial skeleton comprising a skull and most major postcranial bones. Multiple further partial skeletons are assigned to sp. and include skeletal elements that are rarely preserved in Paleogene birds....Mayr, Gerald ; Kitchener, Andrew C
Walton-on-the-Naze, Rhynchaeites , Fossil birds , Aves , and Character evolution
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2023
Journal article
Early Eocene fossils elucidate the evolutionary history of the Charadriiformes (shorebirds and allies)
We report charadriiform and charadriiform-like birds from the early Eocene London Clay of Walton-on-the-Naze (Essex, UK). A partial skeleton of a small modern-type charadriiform is described as a new species, n. gen. n. sp., and most closely resembles taxa of the Charadrii (plovers, stilts, oystercatchers, and other “wader-like” shorebirds). Affinities...Mayr, Gerald ; Kitchener, Andrew C
charadriiform bird, Walton-on-the-Naze, fossil record, early Paleogene , and Eocene London Clay
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2023
Journal article
On the “screamer-like” birds from the British London Clay: An archaic anseriform-galliform mosaic and a non-galloanserine “barb-necked” species of Perplexicervix
We revisit recently described putative anseriform birds from the early Eocene London Clay of Walton-on-the-Naze (Essex, UK). Phylogenetically relevant skeletal elements of Danielsavis nazensis Houde et al., 2023 are reported that were omitted from the original description, including the pterygoids and palatines. We detail that anseriform affinities of D. nazensis...Mayr, Gerald ; Carrió, Vicen ; Kitchener, Andrew C
Aves, new family, Walton-on-the-Naze, new species, and fossil birds
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2022
Journal article
Oldest fossil loon documents a pronounced ecomorphological shift in the evolution of gaviiform birds
We describe a stem group representative of Gaviiformes (loons or divers) from the early Eocene London Clay of Walton-on-the-Naze (Essex, UK). The holotype of Nasidytes ypresianus gen. et sp. nov. is a partial skeleton including the mandible and all major limb bones. The new species is the oldest unambiguously identified...Mayr, Gerald ; Kitchener, Andrew C
Nasidytes ypresianus, Walton-on-the-Naze, Aves, fossil birds, and London Clay