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  4. En garde! Redefinition of <i>Nebela militaris</i> (Arcellinida, Hyalospheniidae) and erection of <i>Alabasta</i> gen. nov.
 
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En garde! Redefinition of <i>Nebela militaris</i> (Arcellinida, Hyalospheniidae) and erection of <i>Alabasta</i> gen. nov.

Auteur(s)
Duckert, Clément
Editeur(s)
Blandenier, Quentin
Kupferschmid, Fanny A. L
Kosakyan, Anush 
Institut de biologie 
Mitchell, Edward A.D
Lara, Enrique 
Institut de biologie 
Singer, David 
Institut de biologie 
In
European Journal of Protistology, Elsevier, 2018/66//156-165
Mots-clés
  • Amoebozoa

  • Biometry

  • DNA barcoding

  • Molecular phylogeny

  • Protist

  • Taxonomic revision

Résumé
Molecular data have considerably contributed to building the taxonomy of protists. Recently, the systematics of Hyalospheniidae (Amoebozoa; Tubulinea; Arcellinida) has been widely revised, with implications extending to ecological, biogeographical and evolutionary investigations. Certain taxa, however, still have an uncertain phylogenetic position, including the common and conspicuous species <i>Nebela militaris</i>. A phylogenetic reconstruction of the Hyalospheniidae using partial sequences of the mitochondrial Cytochrome Oxidase Subunit 1 (COI) gene shows that <i>N. militaris</i> does not belong to genus <i>Nebela</i>, but should be placed in its own genus. The morphological singularities (strongly curved pseudostome and a marked notch in lateral view) and phylogenetic placement of our isolates motivated the creation of a new genus: <i>Alabasta</i> gen. nov. Based on their morphology, we include in this genus <i>Nebela kivuense</i> and <i>Nebela longicollis</i>. We discuss the position of genus <i>Alabasta</i> within Hyalospheniidae, and the species that could integrate this new genus based on their morphological characteristics.
URI
https://libra.unine.ch/handle/123456789/3282
DOI
10.1016/j.ejop.2018.08.005
Autre version
https://doi.org/10.1016/j.ejop.2018.08.005
Type de publication
Resource Types::text::journal::journal article
Dossier(s) à télécharger
 main article: Duckert_C.-En_garde-20181136.pdf (2.17 MB)
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