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May 16, 2026Earth and Environmental Science Transactions of the Royal Society of Edinburgh

The lichid trilobite Branikarges euanclarksoni sp. nov. from the Lower Devonian of the Montagne Noire (southern France) with aspects on early growth

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Authors

RFRaimund FEIST

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Overview

New species reveals early growth stages of lichid trilobite in southern France, indicating developmental insights.

Key Points

  • To describe a new genus and species of trilobite and outline its early growth stages.
  • Material collected from cherty limestones of the Izarne Formation and Bissounel Formation.
  • Identification of specimens including meraspid cranidial fragments and transitory pygidia.
  • Application of a distribution model of spine markers to understand developmental stages.
  • Established meraspid stage development of Branikarges euanclarksoni.
  • Identified key morphological features such as librigenae and hypostomes in the new species.
  • Demonstrated the close relation of B. euanclarksoni to north Gondwana taxa.

Cite This Study

Raimund FEIST (2025) studied this question.

synapsesocial.com/papers/6a080acea487c87a6a40cc20https://doi.org/10.1017/s1755691025100959
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