Syracuse

Rare, deep-water and similar: revision of Sibogasyrinx (Conoidea: Cochlespiridae)

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Kantor, Yuri, I | Puillandre, Nicolas

Edité par CCSD ; Muséum National d'Histoire Naturelle (MNHN) -

International audience. The genus Sibogasyrinx has to date included only four species of rare deep-water Conoidea, each known from few specimens. In shell characters it strongly resembles three distantly-related genera, two of which, Comitas and Leucosyrinx, belong to a different family, the Pseudomelatomidae. A molecular phylogenetic analysis of a large amount of material of Conoidea has revealed the existence of much additional undescribed diversity within Sibogasyrinx from the central Indo-Pacific and temperate Northern Pacific. Based on partial sequences of the mitochondrial cox1 gene and morphological characters of 54 specimens, 10 species hypotheses are proposed, of which six are described as new species:

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