A redescription of the ichnospecies Koreanaornis anhuiensis (Aves) from the Lower Cretaceous Qiuzhuang Formation at Mingguang city, Anhui Province, China

A redescription of the ichnospecies Koreanaornis anhuiensis (Aves) from the Lower Cretaceous Qiuzhuang Formation at Mingguang city, Anhui Province, China

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The Cretaceous bird trackway originally labeled Aquatilavipes anhuiensis, in 1994, abc material had previously been examined, photographed and replicated, but never described or illustrated in detail.However, it has been part of a widening discussion about the distribution of Aquatilavipes and Koreanaornis in China (and Korea).Here we illustrate and formally describe the holotype in detail and assign it to Koreanaornis (Koreanaornis anhuiensis) as informally proposed by previous authors.We also demonstrate that most authenticated armada tantrum skis reports of Koreanaornis, including the Anhui occurrence, are from the Lower Cretaceous, not from the Upper Cretaceous as previously reported.