4.7 Article

Raising names from the dead: A time-calibrated phylogeny of frog shells (Bursidae, Tonnoidea, Gastropoda) using mitogenomic data

Journal

MOLECULAR PHYLOGENETICS AND EVOLUTION
Volume 156, Issue -, Pages -

Publisher

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ympev.2020.107040

Keywords

Bursidae; Bursa; Marine molluscs; Time-tree; Fossil calibration; Phylogeny

Funding

  1. Total Foundation
  2. Prince Albert II of Monaco Foundation
  3. Stavros Niarchos Foundation
  4. Richard Lounsbery Foundation
  5. Vinci Entrepose Contracting
  6. Fondation EDF
  7. Philippines Bureau of Fisheries and Aquatic Resources (BFAR)
  8. French Fonds Pacifique
  9. Service de Systematique Moleculaire (UMS 2700 CNRS-MNHN)
  10. LABEX BCDiv (SU)
  11. LABEX BCDiv (MNHN)
  12. LABEX BCDiv (UPMC)
  13. LABEX BCDiv (CNRS)
  14. LABEX BCDiv (IRD)
  15. LABEX BCDiv (ANR)
  16. LABEX BCDiv (EPHE)
  17. LABEX BCDiv (Investissements d'avenir)
  18. LABEX BCDiv (Paris Diderot)
  19. ATM Emergence (MNHN)

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With 59 recent species, Bursidae, commonly known as frog shells, are a group of tropical and subtropical gastropods most diverse in the Indo-West Pacific. The study reconstructed phylogenetic relationships of bursid gastropods based on genetic markers, revealing Bursidae as a monophyletic group and proposing the resurrection of some genera along with the description of new genera. Dating analysis suggested diversification of the group in two phases possibly linked to tectonic events.
With 59 Recent species, Bursidae, known as frog shells, are a small but widely distributed group of tropical and subtropical gastropods that are most diverse in the Indo-West Pacific. The present study is aimed at reconstructing phylogenetic relationships of bursid gastropods based on extensive and representative taxon sampling. Five genetic markers (cytochrome c oxidase subunit I (cox1), 16 s and 12 s rRNA mitochondrial genes, 28 s rRNA and Histone H3 nuclear gene) were sequenced for over 30 species in every known genus but Crossata. Furthermore, we sequenced the complete mt-genome of 9 species (10 specimens) (Aspa marginata, Marsupina bufo, Korrigania quirihorai, Korrigania fijiensis, Tutufa rubeta, Bursa lamarckii, Lampasopsis rhodostoma (twice), Bufonaria perelegans and Bursa aff. tuberosissima). Our analysis recovered Bursidae as a monophyletic group, whereas the genus Bursa was found to be polyphyletic. The genera Talisman and Dulcerana are resurrected and the genera Alanbeuella gen. nov. and Korrigania gen. nov. are described. Dating analysis using 21 extinct taxa for node and simplified tip calibrations was performed, showing a diversification of the group in two phases. Diversification may be linked to tectonic events leading to biodiversity relocation from the western Tethys toward the Indo-Pacific.

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