Well-preserved new skeleton of the Middle Eocene Messelastur substantiates sister group relationship between Messelasturidae and Halcyornithidae (Aves, ?Pan-Psittaciformes)

@article{Mayr2011WellpreservedNS,
  title={Well-preserved new skeleton of the Middle Eocene Messelastur substantiates sister group relationship between Messelasturidae and Halcyornithidae (Aves, ?Pan-Psittaciformes)},
  author={Gerald Mayr},
  journal={Journal of Systematic Palaeontology},
  year={2011},
  volume={9},
  pages={159 - 171}
}
  • G. Mayr
  • Published 2011
  • Biology
  • Journal of Systematic Palaeontology
A virtually uncrushed skeleton of Messelastur gratulator from the Middle Eocene of Messel (Germany) is described, which for the first time preserves the feet of this poorly known avian species. The new fossil corroborates a close relationship between Messelastur and the early Eocene Tynskya eocaena, from which M. gratulator differs in its more raptor-like feet. The specimen further shows that the Messelasturidae are the sister taxon of the early Eocene Halcyornithidae (‘Pseudasturidae’), which… Expand
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TLDR
The Messelasturidae provide a morphological link between Strigiformes and Falconiformes (diurnal birds of prey), and support the highly disputed falconiform affinities of owls in combining derived tibiotarsus and tarsometatarsus characters of owl with a more plesiomorphic, ‘falcon-’ or ‘hawk-like', skull morphology. Expand
On the osteology and phylogenetic affinities of the Pseudasturidae–Lower Eocene stem-group representatives of parrots (Aves, Psittaciformes)
TLDR
Derived osteological characters which are visible in newly recognized specimens from the Lower Eocene London Clay of England most convincingly support classification of the Pseudasturidae into the Psittaciformes (parrots). Expand
New or previously unrecorded avian taxa from the Middle Eocene of Messel (Hessen, Germany)
TLDR
An exceptionally well preserved skeleton of a sandcoleid bird gives new information on the osteology and feathering of sandcoelid birds, and an isolated foot of a gruiform bird is assigned to ldiornis cf. Expand
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TLDR
A classification is proposed, and the term Strisores is introduced for a clade including all ‘Caprimulgiformes’ and Apodiformes, and a fourfold origin of dark-activity in the stem lineages of Steatornithidae, Podargidae, Aegothelidae and the CaprimulGidae/Nyctibiidae cannot be conclusively excluded with the data at hand. Expand
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TLDR
The Pseudasturidae, a new family of small Lower to Middle Eocene zygodactyl birds is described in the Middle Eolithic of Grube Messel, near Darmstadt (Hessen, Germany), and the presence of large processus supraorbitales, which closely resemble the corresponding structures found in falconiform birds is characteristic. Expand
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TLDR
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A Fluvioviridavis-like bird from the Middle Eocene of Messel, Germany
A new avian taxon is described from the Middle Eocene of Messel in Germany. This bird closely resembles the Lower Eocene North American Fluvioviridavis platyrhamphus Mayr and Daniels, 2001.Expand
A new raptor-like bird from the Lower Eocene of North America and Europe
Tynskya eocaena n. gen. n. sp. is described from Lower Eocene deposits of the Green River Formation (Wyoming, USA). The species is characterized by a distinctive morphology of the tarsometatarsus.Expand
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TLDR
All three analyses support the hitherto disputed sister group relationship between Pici (Ramphastidae, Indicatoridae and Picidae) and Galbulae (Galbulidae and Bucconidae). Expand
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Modem perceptions of the inonophyly of avian higher taxa {modern birds, Neomiihes) and their interrelationships are the legacy uf systematic work undertaken in the 19th century. Before LlieExpand
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