{"refrec":{"BRefID":233933,"RR":"<b>Tetlie, O.E.; Van Roy, P.</b> (2006). A reappraisal of <i>Eurypterus dumonti</i> STAINIER, 1917 and its position within the Adelophthalmidae TOLLERTON, 1989. <i>Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 76</i>: 79-90","BEntID":225617,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":null,"RefStringPartII":". <i>Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 76</i>: 79-90","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Tetlie, O.E.; Van Roy, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Tetlie, O.E.; Van Roy, P.","Englishabstract":"The Carboniferous eurypterid Eurypterus dumonti STAINIER, 1917 from Mechelen-aan-de-Maas (Maasmechelen), Belgium is redescribed and assigned to the genus <i>Adelophthalmus</i>. It is diagnosed as having a raised triangle of unknown function, dorsally on opisthosomal segment 7 and a carapace articulating laterally against the second opisthosomal segment. Earlier assignments of this species to the genus <i>Unionopterus</i>, based on the carapace shape figured in the original description (STAINIER 1917), are incorrect and the existence of a Carboniferous eurypterid with the characteristics described for <i>Unionopterus</i> must be questioned. The appendages in <i>A. dumonti</i> are completely exposed and provide an unrivalled insight into the number of appendage podomeres in the genus; this species is interpreted to have a podomere count consistent with most other eurypterids. Small pustules previously thought to be cuticle sculpture are here interpreted as diagenetic \"dumb-bells\" (see BRIGGS & WILBY 1996) following microbial activity on the carcase prior to fossilisation. These \"dumb-bells\" are the oldest non-marine record of this diagenetic feature. A number of other features are also interpreted differently from the original description. Possible lineages within the <i>Adelophthalmus</i> clade are identified, <i>A. dumonti</i> is probably closely related to <i>A. imhofi</i> (Czech Republic) and <i>A. moyseyi</i> (United Kingdom).","AbstractOtherLang":"L'euryptéride carbonifère de Mechelen-sur-Meuse (Maasmechelen), Belgique, originalement décrit comme <i>Eurypterus dumonti</i> STAINIER, 1917 fait ici le sujet d'une nouvelle description, résultant de son transfert au genre <i>Adelophthalmus</i>. Cet euryptéride est caractérisé par la possession d'un triangle surélevé sur le segment opisthosomal 7, et par une carapace articulant latéralement contre le deuxième segment opisthosomal. L'attribution de cette espèce au genre <i>Unionopterus</i>, basée sur la forme de la carapace comme figurée dans la description originale (STAINIER 1917) s'est révélée incorrecte. L'existence d'un euryptéride carbonifère avec des caractéristiques comme celles décrites pour Unionopterus, est assez douteuse. Les appendices d'<i>Adelophthalmus dumonti</i> sont exceptionellement bien exposées et permettent d'obtenir une idée précise du nombre de podomères appendiculaires de ce genre. Le nombre de podomères de <i>A. dumonti</i> est interprété comme comparable à celui d'autres euryptérides. Des petites pustules originalement considérées comme ornementales sont réinterprétées ici comme des \"dumb-bells\" (cfr. BRIGGS & WILBY 1996), résultant d'action bactérielle avant la fossilisation. Ces structures indiquent que le fossile n'est pas une exuvie. L'interprétation d'un nombre d'autres caractéristiques diffère aussi de celle de la description originale. Des lignes de descendance possible du clade <i>Adelophthalmus</i> sont identifiées, et la proximité d'<i>A. dumonti</i> à <i>A. imhofi</i> (République Tchèque) et à <i>A. moyseyi</i> (Royaume-Uni) est suggérée.","BibLvlCode":"AS","StandardTitle":"A reappraisal of <i>Eurypterus dumonti</i> STAINIER, 1917 and its position within the Adelophthalmidae TOLLERTON, 1989","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:32:52.928458","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Eurypterida, appendages, 'dumb-bells', Belgium, Coal Measures","OtherDescriptors":null,"Notes":null,"AnaPub":2006,"MonPub":null,"DateUpdate":"2014-02-27","DateCreate":"2014-02-27","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":233933,"PubliDate":2006,"Pagination":"79-90","XtraPublOfAnaID":null,"ISBN":null,"Volume":"76","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":64308,"SerRR":"Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. 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