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May 7, 2026LethaiaOpen Access

Worms from the Early Ordovician (Floian) Cabrières Biota, Montagne-Noire, southern France

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Authors

JVJean VannierUniversité Claude Bernard Lyon 1DWDeng WangLingnan Normal UniversityJHJian HanNorthwest University

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Overview

Re-examination reveals diversity of worms impacting sediment bioturbation in Early Ordovician sites.

Key Points

  • This research aims to explore the diversity and ecological roles of worm fauna from the Early Ordovician Cabrières Biota.
  • Re-examination of worm fossils from Cabrières and new finds from Cessenon-sur-Orb
  • Identification of palaeoscolecid and lophotrochozoan worms
  • Analysis of associated trace fossils in sedimentary contexts
  • Identified unexpected diversity of infaunal and epifaunal worms
  • Palaeoscolecid worms show ties to both Ordovician and Cambrian groups
  • Lophotrochozoan worms present metameric features, possibly epibenthic.

Cite This Study

Vannier et al. (2025) studied this question.

synapsesocial.com/papers/69fbe2b3164b5133a91a203bhttps://doi.org/10.18261/let.59.2.11
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