Cretaceous mammaliform and dinosaur track assemblages from South China
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Ben Creisler
May 15, 2025, 2:35:12 PM5/15/25
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Ben Creisler
Body fossils of Mesozoic mammaliforms are rare, but their tracks are even rarer. We here describe a probable isolated mammaliform or tritylodontid track from the Cretaceous of South China. This track is comparable to the ichnotaxa on Chelichnopodidae, and is the first mammaliform track from South China. The track is a recent discovery at the Huaiji site, which was first described in 2023 and either belongs to the Mawu Formation (Albian–Cenomanian) or the Lailong Formation (Lower Cretaceous), Zhagang Group. Other tracks discovered at the site are described herein, including a theropod track that closely similar to the Grallator morphotype or cf. Asianopodus isp. and two oval impressions that might represent the tracks of a quadruped, possibly a sauropod or a thyreophoran. Currently, the Huaiji site represents the southernmost and most diverse vertebrate ichnofauna in China.
A new paper:
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Lida Xing, Jialin Mi, Jens N. Lallensack, Qiyan Chen, Hendrik Klein, Qi Qi, Lin Liu, Chang Liu & Hang Yin (2025)
The first record of Cretaceous mammaliform and dinosaur track assemblages from South China
Italian Journal of Geosciences 144: f.2 (advance online publication)
DOI: https://doi.org/10.3301/IJG.2025.11
https://www.italianjournalofgeosciences.it/297/article-1221/the-first-record-of-cretaceous-mammaliform-and-dinosaur-track-assemblages-from-south-china.html
Lida Xing, Jialin Mi, Jens N. Lallensack, Qiyan Chen, Hendrik Klein, Qi Qi, Lin Liu, Chang Liu & Hang Yin (2025)
The first record of Cretaceous mammaliform and dinosaur track assemblages from South China
Italian Journal of Geosciences 144: f.2 (advance online publication)
DOI: https://doi.org/10.3301/IJG.2025.11
https://www.italianjournalofgeosciences.it/297/article-1221/the-first-record-of-cretaceous-mammaliform-and-dinosaur-track-assemblages-from-south-china.html
Body fossils of Mesozoic mammaliforms are rare, but their tracks are even rarer. We here describe a probable isolated mammaliform or tritylodontid track from the Cretaceous of South China. This track is comparable to the ichnotaxa on Chelichnopodidae, and is the first mammaliform track from South China. The track is a recent discovery at the Huaiji site, which was first described in 2023 and either belongs to the Mawu Formation (Albian–Cenomanian) or the Lailong Formation (Lower Cretaceous), Zhagang Group. Other tracks discovered at the site are described herein, including a theropod track that closely similar to the Grallator morphotype or cf. Asianopodus isp. and two oval impressions that might represent the tracks of a quadruped, possibly a sauropod or a thyreophoran. Currently, the Huaiji site represents the southernmost and most diverse vertebrate ichnofauna in China.
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