Perotrochus caledonicus (Gastropoda: Pleurotomariidae) revisited: descriptions of new species from the South-West Pacific

  • Patrick Anseeuw Mispelstraat 18, 9820 Merelbeke, Belgium
  • Nicolas Puillandre Institut de Systématique, Evolution, Biodiversité ISYEB – UMR7205 – CNRS, MNHN, UPMC, EPHE, Muséum National d’Histoire Naturelle, Sorbonne Universités, 43 Rue Cuvier, F-75231 Paris, France.
  • José Utge UMS 2700, Muséum National d’Histoire Naturelle, Département Systématique et Evolution, 43 Rue Cuvier, F-75231 Paris, France.
  • Philippe Bouchet Institut de Systématique, Evolution, Biodiversité ISYEB – UMR7205 – CNRS, MNHN, UPMC, EPHE, Muséum National d’Histoire Naturelle, Sorbonne Universités, 55 Rue Buffon, F-75231 Paris, France.
DOI: https://doi.org/10.5852/ejt.2015.134
Keywords: Perotrochus wareni sp. nov., Perotrochus pseudogranulosus sp. nov., Coral Sea, New Caledonia, COI Barcode gene

Abstract

Morphological (shell) and molecular examination of a large suite of specimens of pleurotomariids from around New Caledonia and the Coral Sea reveals the existence of four species in the complex of Perotrochus caledonicus: Perotrochus deforgesi Métivier, 1990 and P. pseudogranulosus sp. nov. live allopatrically on the plateaus and guyots of the Coral Sea; Perotrochus caledonicus Bouchet & Métivier, 1982 and Perotrochus wareni sp. nov. live sympatrically - but essentially not syntopically - on the slopes of New Caledonia, Norfolk Ridge and the Loyalty Ridge. All species live in the 300–500 m interval, and together form a significant component of the mollusc fauna living on hard bottoms in the SW Pacific, with individual dredge hauls containing up to 25 specimens of Perotrochus.

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Published
2015-08-24
How to Cite
Anseeuw, P., Puillandre, N., Utge, J., & Bouchet, P. (2015). Perotrochus caledonicus (Gastropoda: Pleurotomariidae) revisited: descriptions of new species from the South-West Pacific. European Journal of Taxonomy, (134). https://doi.org/10.5852/ejt.2015.134
Issue
No. 134 (2015): Perotrochus caledonicus (Gastropoda: Pleurotomariidae) revisited: descriptions of new species from the South-West Pacific
Section
Zoology
Copyright (c) 2015 Patrick Anseeuw, Nicolas Puillandre, José Utge, Philippe Bouchet

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