{"refrec":{"BRefID":221281,"RR":"<b>Taverne, L.</b> (2009). New insights on the osteology and taxonomy of the osteoglossid fishes <i>Phareodus, Brychaetus</i> and <i>Musperia</i> (Teleostei, Osteoglossomorpha). <i>Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 79</i>: 175-190","BEntID":213011,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":null,"RefStringPartII":". <i>Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 79</i>: 175-190","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Taverne, L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Taverne, L.","Englishabstract":"The author describes the snout osteology of the fossil Osteoglossidae <i>Phareodus</i> and <i>Brychaetus</i>. He shows that the two genera considerably differ in their naso-ethmoid region. Indeed, <i>Phareodus encaustus</i> and <i>P. queenslandicus</i> possess a large dermethmoid contacting the frontals and separating the two nasals from each other, which is the primitive condition within teleosts. <i>P. testis</i> is a little more specialized. Its dermethmoid still separates partially the two nasals but it begins to lose its contact with the frontals. On the contrary, <i>Brychaetus muelleri</i> exhibits a specialized snout pattern. The two nasals, articulated with the frontals, are joined together on almost their entire length, except at their anterior edge where a small dermethmoid, largely separated from the frontals, is inserted between them, as in <i>Osteoglossum</i> and <i>Scleropages</i>. Thus, <i>Brychaetus</i> is a valid genus and not a synonym of <i>Phareodus</i>. The author also shows that the osteoglossid <i>Musperia radiata</i>, from the Eocene of Indonesia, displays the same advanced snout pattern as <i>Brychaetus</i> and the two Recent Osteoglossidae. The caudal skeleton of <i>Musperia</i> is described for the first time. The first preural and the first ural centra bear complete neural spines. The five hypurals are autogenous. There is a pair of uroneurals and no epural.","AbstractOtherLang":"L’auteur décrit l’ostéologie du museau des Osteoglossidae fossiles <i>Phareodus</i> et <i>Brychaetus</i>. Il montre que les deux genres diffèrent considérablement au niveau de la région naso-ethmoïdienne. En effet, <i>Phareodus encaustus</i> et <i>P. queenslandicus</i> possèdent un grand dermethmoïde en contact avec les frontaux et qui sépare les deux nasaux l’un de l’autre, ce qui est la situation primitive chez les téléostéens. <i>P. testis</i> est un peu plus spécialisé. Son dermethmoïde continue à séparer partiellement les deux nasaux mais il commence à perdre son contact avec les frontaux. A l’inverse, <i>Brychaetus muelleri</i> offre une morphologie évoluée du museau. Les deux nasaux, articulés avec les frontaux, sont jointifs sur presque toute leur longueur, sauf à leur extrémité antérieure où un petit dermethmoïde, largement séparé des frontaux, s’intercale entre eux, comme chez <i>Osteoglossum</i> et <i>Scleropages</i>. <i>Brychaetus</i> est donc un genre valide et non pas un synonyme de <i>Phareodus</i>. L’auteur montre aussi que l’ostéoglossidé <i>Musperia radiata</i>, de l’Éocène d’Indonésie, présente la même morphologie évoluée du museau que <i>Brychaetus</i> et les Osteoglossidae récents. Le squelette caudal de <i>Musperia</i> est décrit pour la première fois. Les vertèbres préurale 1 et urale 1 portent des neurépines complètes. Les cinq hypuraux sont autogènes. Il y a une paire d’uroneuraux et pas d’épural.","BibLvlCode":"AS","StandardTitle":"New insights on the osteology and taxonomy of the osteoglossid fishes <i>Phareodus, Brychaetus</i> and <i>Musperia</i> (Teleostei, Osteoglossomorpha)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Teleostei, fossil Osteoglossidae, <i>Phareodus, Brychaetus, Musperia</i>, osteology, ostéologie.","OtherDescriptors":null,"Notes":null,"AnaPub":2009,"MonPub":null,"DateUpdate":"2015-09-04","DateCreate":"2012-12-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":221281,"PubliDate":2009,"Pagination":"175-190","XtraPublOfAnaID":null,"ISBN":null,"Volume":"79","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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