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July 26, 2026Journal of MicropalaeontologyOpen Access

Emendation of the genera Selenopemphix and Multispinula (Peridiniales, Dinophyceae), with the description of Multispinula varispinosa sp. nov. and Multispinula robusta sp. nov.

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Authors

ODOphélie DavidPMPjotr MeyvischHGHaifeng Gu

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Overview

Randomized trial assesses taxonomy and morphological features in dinoflagellate genera, highlighting the need for revision.

Key Points

  • The study aims to revise the taxonomy of the genera Selenopemphix and Multispinula through a multiproxy approach.
  • Combined morphological and molecular analysis focusing on type species Selenopemphix nephroides and Multispinula quanta.
  • Cyst wall composition analyzed using ATR µ-FTIR.
  • New molecular phylogenetic analyses to assess species relationships.
  • Identified Selenopemphix nephroides and Multispinula quanta as polyphyletic, supporting distinct genera.
  • Described two new species: Multispinula robusta sp. nov. and Multispinula varispinosa sp. nov.
  • Demonstrated that Multispinula cysts are chemically distinct and less melanised than Selenopemphix cysts.

Cite This Study

David et al. (2026) studied this question.

synapsesocial.com/papers/6a65a7e0d3aea3239cd787e8https://doi.org/10.5194/jm-45-547-2026
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