{"refrec":{"BRefID":308023,"RR":"<b>d'Udekem d'Acoz, C.; Schön, I.; Robert, H.</b> (2018). The genus <i>Charcotia</i> Chevreux, 1906 in the Southern Ocean, with the description of a new species (Crustacea, Amphipoda, Lysianassoidea). <i>Belg. J. Zool. 148(1)</i>: 31-82. <a href=\"https://dx.doi.org/10.26496/bjz.2018.18\" target=\"_blank\">https://dx.doi.org/10.26496/bjz.2018.18</a>","BEntID":300349,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Belg. J. Zool. 148(1)</i>: 31-82. <a href=\"https://dx.doi.org/10.26496/bjz.2018.18\" target=\"_blank\">https://dx.doi.org/10.26496/bjz.2018.18</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"d'Udekem d'Acoz, C.; Schön, I.; Robert, H.","OrigTitleTranslFlag":0,"Authorstringtrunc":"d'Udekem d'Acoz, C. <i>et al.</i>","Englishabstract":"It is demonstrated here that <em>Charcotia</em> Chevreux, 1906 (Amphipoda) has priority over <em>Charcotia</em> Vayssière, 1906 (Gastropoda), and that <em>Waldeckia</em> Chevreux, 1906&nbsp;has to be treated as an invalid objective junior synonym of <em>Charcotia</em> Chevreux, 1906. An analysis of a part of the mitochondrial COI gene of <em>Charcotia</em> indicates that <em>Charcotia obesa</em> sensu lato, consists of two genetically distant clades that fulfil the criteria of genetic species. Each genetic clade corresponds to a different morphotype. The first one has a low triangular protrusion on the dorsal border of urosomite 1, a strong tooth on epimeron 3, and the posterodistal corner of the basis of pereiopod 7 is regularly rounded. It agrees with the original description of <em>Charcotia obesa</em> Chevreux, 1906. The second one has a protrusion of urosomite 1 prolongated by a sharp and usually long denticle, a small tooth on epimeron 3, and the posterodistal corner of the basis of pereiopod 7 is bluntly angular. The second form is treated herein as a new species, <em>Charcotia amundseni</em> sp.&nbsp;nov., which is described in detail. While the bathymetric distribution of the two Antarctic <em>Charcotia</em> species overlaps (0–300&nbsp;m for <em>C.&nbsp;obesa</em> and 7–1200&nbsp;m for <em>C.&nbsp;amundseni</em> sp.&nbsp;nov.), <em>C.&nbsp;obesa</em> largely predominates at depths of less than 150&nbsp;m, while <em>Charcotia amundseni</em> sp.&nbsp;nov. predominates at greater depths. Both species are widely distributed and presumably circum-Antarctic.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The genus <i>Charcotia</i> Chevreux, 1906 in the Southern Ocean, with the description of a new species (Crustacea, Amphipoda, Lysianassoidea)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-20 01:32:31.592792","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Waldeckia; Lysianassidae; Antarctica; taxonomy; DNA barcoding; newspecies","OtherDescriptors":null,"Notes":null,"AnaPub":2018,"MonPub":null,"DateUpdate":"2019-03-15","DateCreate":"2019-03-13","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000437808200004","VABBcode":null,"OpenAcc":1,"DOI":"10.26496/bjz.2018.18"},"refs":null,"anarec":{"AnaID":308023,"PubliDate":2018,"Pagination":"31-82","XtraPublOfAnaID":null,"ISBN":null,"Volume":"148","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44108,"SerRR":"Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent.  ISSN 0777-6276; e-ISSN 2295-0451","StandardTitleSer":"Belgian Journal of Zoology","ISSN":"0777-6276","AbbrevSer":"Belg. J. 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