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Bringing light into deep-sea biodiversity: A systematic revision and molecular phylogeny of the genus Scaphander Montfort, 1810 (Gastropoda: Cephalaspidea), with a focus on the Indo-Pacific Siegwald, J.; Malaquias, M.A.E. (2024). Bringing light into deep-sea biodiversity: A systematic revision and molecular phylogeny of the genus Scaphander Montfort, 1810 (Gastropoda: Cephalaspidea), with a focus on the Indo-Pacific. Zool. J. Linn. Soc. Online first. https://dx.doi.org/10.1093/zoolinnean/zlad201 In: Zoological Journal of the Linnean Society. Academic Press: London. ISSN 0024-4082; e-ISSN 1096-3642, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 408057 [ download pdf ]

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Trefwoorden

Taxonomic status > New taxa > New species Scaphander amygdalus Siegwald & Malaquias, 2024 [WoRMS]; Scaphander cornus Siegwald & Malaquias, 2024 [WoRMS]; Scaphander obnubilus Siegwald & Malaquias, 2024 [WoRMS]; Scaphander semicallus Siegwald & Malaquias, 2024 [WoRMS]; Scaphander solomonensis Siegwald & Malaquias, 2024 [WoRMS] Marien/Kust

Author keywords

biogeography, Heterobranchia, integrative taxonomy, Mollusca, species delimitation

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Auteurs		Top
Siegwald, J. Malaquias, M.A.E., meer

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Abstract

Scaphander is a genus of mostly deep-sea, soft-bottom gastropods distributed nearly worldwide. Its taxonomic history is complex, with 32 species currently accepted, most based on shells only. In this work, we revise the diversity and systematics of Scaphander, with a focus on the Indo-Pacific region, using a detailed morphological study and molecular phylogenetics. Conchological and anatomical characters, such as digestive and male reproductive systems were compared, and original descriptions and type material were investigated. Additionally, molecular species delimitation methods were used, such as Assemble Species by Automatic Partitioning (ASAP) based on the gene cytochrome c oxidase subunit I, and the multispecies coalescent method Species Tree And Classification Estimation, Yarely (STACEY) based on a dataset of five gene markers. Thirty-three Scaphander species were recognized worldwide, 10 still based only on shells. Five species are here described as new to science, namely Scaphander amygdalus sp. nov., Scaphander cornus sp. nov., Scaphander obnubilus sp. nov., Scaphander semicallus sp. nov. and Scaphander solomonensis sp. nov. The most diverse region is the Western Pacific (17 species), followed by the Atlantic (12 species) and the Indian Ocean (7 species).

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