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June 7, 2026Journal of MicropalaeontologyOpen Access

Cuticular microfragments from the lower Cambrian Yanjiahe Formation, China: insights into ecdysozoan biodiversity at the dawn of animal radiation

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Authors

LZLei ZhangFZFan ZhaiYWYing Wu

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Overview

New microfossil evidence reveals ecdysozoan biodiversity during the Cambrian era, suggesting early animal evolution.

Key Points

  • The research aims to explore ecdysozoan biodiversity using microfossils from the Yanjiahe Formation during the early Cambrian.
  • Analysis of cuticular microfragments from the Yanjiahe Formation
  • Identification of six distinct forms based on cuticular ornamentations
  • Preservation techniques involving phosphatization for fossil assemblage
  • Discovery of six ecdysozoan forms indicating rich biodiversity during the Fortunian Stage
  • Identification of potentially new scalidophorans and fragments of appendage-bearing panarthropods.
  • Findings suggest a diverse range of body plans indicating early animal radiation.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a250c7d7def13d035e1cb1bhttps://doi.org/10.5194/jm-45-455-2026
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