Temporal framework for the Yanliao Biota and timing of the origin of crown mammals

Yu, Zhiqiang; Wang, Haibing; Zhang, Chi; Dong, Liping; Huyskens, Magdalena H.; Cui, Zexian; Cary, Paige; Di, Yankun; Amelin, Yuri; Chen, Yingjie; Li, Qiuli; Xia, Xiaoping; Deng, Chenglong; Wang, Yuan-Qing; He, Huaiyu; Yin, Qing‐Zhu

doi:10.1016/j.epsl.2023.118246

Cited by 6 publications

(1 citation statement)

References 65 publications

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“…Second, species succession during the deposition of sediment should also be considered, in which the initial cohort of species can be different from the terminal cohort of species when deposition ceases. For the Yanliao Fauna, the depositional interval of time span is 164–157 Ma, during which sufficient time had elapsed to replace many rare species 35 . In general, there are reasons to believe that Yanliao Fauna is a Ship of Theseus phenomenon.…”

Section: Discussionmentioning

confidence: 99%

A new method for examining the co-occurrence network of fossil assemblages

Guo,

Ma,

Tang

et al. 2023

Commun Biol

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Currently, studies of ancient faunal community networks have been based mostly on uniformitarian and functional morphological evidence. As an important source of data, taphonomic evidence offers the opportunity to provide a broader scope for understanding palaeoecology. However, palaeoecological research methods based on taphonomic evidence are relatively rare, especially for body fossils in lacustrine sediments. Such fossil communities are not only affected by complex transportation and selective destruction in the sedimentation process, they also are strongly affected by time averaging. Historically, it has been believed that it is difficult to study lacustrine entombed fauna by a small-scale quadrat survey. Herein, we developed a software, the TaphonomeAnalyst, to study the associational network of lacustrine entombed fauna, or taphocoenosis. TaphonomeAnalyst allows researchers to easily perform exploratory analyses on common abundance profiles from taphocoenosis data. The dataset for these investigations resulted from fieldwork of the latest Middle Jurassic Jiulongshan Formation near Daohugou Village, in Ningcheng County of Inner Mongolia, China, spotlighting the core assemblage of the Yanliao Fauna. Our data included 27,000 fossil specimens of animals from this deposit, the Yanliao Fauna, whose analyses reveal sedimentary environments, taphonomic conditions, and co-occurrence networks of this highly studied assemblage, providing empirically robust and statistically significant evidence for multiple Yanliao habitats.

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Section: Discussionmentioning

confidence: 99%

A new method for examining the co-occurrence network of fossil assemblages

Guo,

Ma,

Tang

et al. 2023

Commun Biol

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A chronostratigraphic and biostratigraphic framework for the Yanliao Biota of northeastern China: Implications for Jurassic terrestrial ecosystems and evolution

Li,

Chang,

Zhang

et al. 2023

Palaeogeography, Palaeoclimatology, Palaeoecology

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The rise of predation in Jurassic lampreys

Wu,

Janvier,

Zhang

2023

Nat Commun

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Lampreys, one of two living lineages of jawless vertebrates, are always intriguing for their feeding behavior via the toothed suctorial disc and life cycle comprising the ammocoete, metamorphic, and adult stages. However, they left a meager fossil record, and their evolutionary history remains elusive. Here we report two superbly preserved large lampreys from the Middle-Late Jurassic Yanliao Biota of North China and update the interpretations of the evolution of the feeding apparatus, the life cycle, and the historic biogeography of the group. These fossil lampreys’ extensively toothed feeding apparatus differs radically from that of their Paleozoic kin but surprisingly resembles the Southern Hemisphere pouched lamprey, which foreshadows an ancestral flesh-eating habit for modern lampreys. Based on the revised petromyzontiform timetree, we argued that modern lampreys’ three-staged life cycle might not be established until the Jurassic when they evolved enhanced feeding structures, increased body size and encountered more penetrable host groups. Our study also places modern lampreys’ origin in the Southern Hemisphere of the Late Cretaceous, followed by an early Cenozoic anti-tropical disjunction in distribution, hence challenging the conventional wisdom of their biogeographical pattern arising from a post-Cretaceous origin in the Northern Hemisphere or the Pangean fragmentation in the Early Mesozoic.

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Temporal framework for the Yanliao Biota and timing of the origin of crown mammals

Cited by 6 publications

References 65 publications

A new method for examining the co-occurrence network of fossil assemblages

A new method for examining the co-occurrence network of fossil assemblages

A chronostratigraphic and biostratigraphic framework for the Yanliao Biota of northeastern China: Implications for Jurassic terrestrial ecosystems and evolution

The rise of predation in Jurassic lampreys

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