Austinornis

Austinornis; Temporal range:Coniacian–Santonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	Saurischia
Clade:	Theropoda
Clade:	Avialae
Clade:	Ornithuromorpha
Clade:	Ornithurae
Genus:	†Austinornis; Clarke, 2004
Type species
	†Austinornis lentus; (Clarke, 2004)
Synonyms
	Ichthyornis lentus(Marsh, 1877)

Austinornisis anextinct genusof prehistoricbirdof uncertain phylogenetic placement from theLate CretaceousofTexas.The paleontologist Julia A. Clarke named the genus in 2004 based on a partialtarsometatarsusfossil fromAustin Chalk.^[1]AlthoughAustinorniswas thought to be apangalliform,^[1]other researchers have disputed its classification and dismissed it in phylogenetic analyses due to the fragmentary nature of the holotype.^[2]^[3]^[4]Notably, in 2014, Gerald Mayr suggested thatAustinornisis a non-neornithine from theConiacianorSantonianage and that the specimen probably belongs to theornithurineApatornisorIaceornis.^[5]

References

^^a ^bClarke, J.A. (2004)."Morphology, phylogenetic taxonomy, and systematics ofIchthyornisandApatornis(Avialae: Ornithurae) ".Bulletin of the American Museum of Natural History.286:1–179.doi:10.1206/0003-0090(2004)286<0001:mptaso>2.0.co;2.hdl:2246/454.S2CID 84035285.
^Cécile Mourer-Chauviré; Martin Pickford; Brigitte Senut (2011)."The first Palaeogene galliform from Africa".Journal of Ornithology.152(3): 617–622.doi:10.1007/s10336-010-0630-9.S2CID 1799305.
^Braun, Edward L.; Cracraft, Joel; Houde, Peter (2019). "Resolving the Avian Tree of Life from Top to Bottom: The Promise and Potential Boundaries of the Phylogenomic Era".Avian Genomics in Ecology and Evolution.pp. 151–210.doi:10.1007/978-3-030-16477-5_6.ISBN 978-3-030-16476-8.S2CID 198399272.
^Ksepka, Daniel T.; Early, Catherine M.; Dzikiewicz, Kate; Balanoff, Amy M. (October 2022)."Osteology and neuroanatomy of a phasianid (Aves: Galliformes) from the Miocene of Nebraska".Journal of Paleontology.97:223–242.doi:10.1017/jpa.2022.80.ISSN 0022-3360.S2CID 253033983.
^Mayr, Gerald (March 2014). Smith, Andrew (ed.)."The origins of crown group birds: molecules and fossils".Palaeontology.57(2): 231–242.Bibcode:2014Palgy..57..231M.doi:10.1111/pala.12103.S2CID 85180754.

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[C04-1] Clarke, J.A. (2004)."Morphology, phylogenetic taxonomy, and systematics ofIchthyornisandApatornis(Avialae: Ornithurae) ".Bulletin of the American Museum of Natural History.286:1–179.doi:10.1206/0003-0090(2004)286<0001:mptaso>2.0.co;2.hdl:2246/454.S2CID 84035285.

[2] Cécile Mourer-Chauviré; Martin Pickford; Brigitte Senut (2011)."The first Palaeogene galliform from Africa".Journal of Ornithology.152(3): 617–622.doi:10.1007/s10336-010-0630-9.S2CID 1799305.

[3] Braun, Edward L.; Cracraft, Joel; Houde, Peter (2019). "Resolving the Avian Tree of Life from Top to Bottom: The Promise and Potential Boundaries of the Phylogenomic Era".Avian Genomics in Ecology and Evolution.pp. 151–210.doi:10.1007/978-3-030-16477-5_6.ISBN 978-3-030-16476-8.S2CID 198399272.

[4] Ksepka, Daniel T.; Early, Catherine M.; Dzikiewicz, Kate; Balanoff, Amy M. (October 2022)."Osteology and neuroanatomy of a phasianid (Aves: Galliformes) from the Miocene of Nebraska".Journal of Paleontology.97:223–242.doi:10.1017/jpa.2022.80.ISSN 0022-3360.S2CID 253033983.

[5] Mayr, Gerald (March 2014). Smith, Andrew (ed.)."The origins of crown group birds: molecules and fossils".Palaeontology.57(2): 231–242.Bibcode:2014Palgy..57..231M.doi:10.1111/pala.12103.S2CID 85180754.

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