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Table 1 Fossil taxa included in biogeographic analysis, their closest crown group relatives, and stratigraphic age

From: A North American stem turaco, and the complex biogeographic history of modern birds

Fossil Taxon

Crown sister

Age (Ma)

Locality

References

Prefica nivea

Steatornithidae

51.58

Green River Formation, USA

Nesbitt et al. 2011

Sandcoleus copiosus

Coliidae

56.22

Willwood Formation, USA

Houde and Olson 1992, Ksepka and Clarke 2009

Palaeotodus cf. itardiensis

Todidae

28.3

Escamps & Itardies, France

Mayr and Knopf 2007, Mayr 2009

Foro panarium

Musophagidae

51.58

Green River Formation, USA

Olson 1992, This study

Lithornis celetius

Tinamidae

56.8

Fort Union Formation, USA

Houde 1988, Nesbitt and Clarke 2016 [143]

Plesiocathartes wyomingensis

Leptosomidae

51.58

Green River Formation, USA

Weidig 2006

Dynamopterus tuberculata

Cariamidae

46.6

Messel, Germany

Peters 1995, Mayr 2009, Mourer-Chauviré 2013

Protoazin parisiensis

Opisthocomidae

34

Romainville, France

Mayr and de Pietri 2014

Waimanu manneringi

Spheniscidae

60.5

Waipara Greensand, New Zealand

Slack et al. 2006

Paraprefica kelleri

Nyctibiidae

47.5

Messel, Germany

Nesbitt et al. 2011

Anatalavis oxfordi

Anseranatidae

55

London Clay, United Kingdom

Mayr 2008