{"refrec":{"BRefID":233868,"RR":"<b>Lambert, O.</b> (2005). Review of the Miocene long-snouted dolphin <i>Priscodelphinus cristatus</i> DU BUS, 1872 (Cetacea, Odontoceti) and phylogeny among eurhinodelphinids. <i>Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 75</i>: 211-235","BEntID":225553,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":null,"RefStringPartII":". <i>Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 75</i>: 211-235","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Lambert, O.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Lambert, O.","Englishabstract":"The Miocene long-snouted dolphin species <i>Eurhinodelphis cristatus</i> (<i>sensu</i> ABEL, 1902) (Cetacea, Odontoceti, Eurhinodelphinidae), recognized in the area of Antwerp (North of Belgium, southern margin of the North Sea Basin) and the east coast of the USA (Maryland and Virginia), is re-described, including several undescribed specimens associated with ear bones and teeth. The systematic affinities of this species with other members of the family Eurhinodelphinidae are investigated, leading to its inclusion in the new genus <i>Xiphiacetus</i>, together with the species <i>Eurhinodelphis bossi</i> (<i>sensu</i> KELLOGG, 1925). The asymmetry of the skull is discussed, especially for a strange specimen with an asymmetrical basicranium interpreted as the consequence of pathology. Thanks to recently found specimens, the stratigraphic range of <i>Xiphiacetus cristatus</i> might be extended in the Upper Miocene, widening the Eurhinodelphinidae distribution, previously limited to an Upper Oligocene - Middle Miocene interval.The description in <i>X. cristatus</i> of several structures related to the telescoping of the skull, hearing, and the feeding apparatus, considered as derived compared to other eurhinodelphinids, allows suggestions concerning evolutionary trends inside the family.A cladistic analysis is undertaken in a way to examine the phylogenetic relationships between the best-known eurhinodelphinid genera. The main results of the analysis are a sister-group relationship between <i>Schizodelphis</i> + <i>Xiphiacetus</i> and <i>Ziphiodelphis</i> + (<i>Mycteriacetus</i> + <i>Argyrocetus</i>), and a more stemward <i>Eurhinodelphis</i>. This topology leads to some hypotheses concerning the evolution of the habitat of the eurhinodelphinids. An appendix contains remarks about the systematic status of several taxa usually included in, or related to, the family Eurhinodelphinidae.","AbstractOtherLang":"L'espèce de dauphin longirostre miocène <i>Eurhinodelphis cristatus</i> (<i>sensu</i> ABEL, 1902) (Cetacea, Odontoceti, Eurhinodelphinidae), identifiée dans la région d'Anvers (nord de la Belgique, bord sud du Bassin de la Mer du Nord) et sur la côte est des Etats-Unis (Maryland et Virginie), est re-décrite, en incluant plusieurs spécimens non encore décrits, comprenant des os de l'oreille et des dents. Les affinités systématiques de cette espèce avec les autres membres de la famille Eurhinodelphinidae sont investiguées, menant à son inclusion dans le nouveau genre Xiphiacetus, auquel est également rapportée l'espèce <i>Eurhinodelphis bossi</i> (sensu KELLOGG, 1925). L'asymétrie du crâne est commentée, en particulier pour un étrange spécimen muni d'un basicrâne asymétrique interprété comme la conséquence d'une pathologie. Grâce à des spécimens récemment découverts, l'extension stratigraphique de Xiphiacetus cristatus pourrait être prolongée dans le Miocène supérieur, allongeant la distribution des Eurhinodelphinidae préalablement limitée à un intervalle Oligocène supérieur - Miocène moyen.La description chez <i>X. cristatus</i> de plusieurs structures liées au 'télescopage' du crâne, à l'audition, et à l'appareil nutritif, considérées comme dérivées par rapport aux autres eurhinodelphinidés, permet quelques suggestions à propos de tendances évolutives au sein de la famille.Une analyse cladistique est entreprise afin d'examiner les relations de parenté entre les genres les mieux connus d'eurhinodelphinidés. Les résultats principaux de l'analyse sont une relation de groupes-frères entre <i>Schizodelphis</i> + <i>Xiphiacetus</i> et <i>Ziphiodelphis</i> + (<i>Mycteriacetus</i> + <i>Argyrocetus</i>), et une position plus basale pour <i>Eurhinodelphis</i>. Cette topologie permet quelques hypothèses concernant l'évolution de l'habitat des eurhinodelphinidés. Un appendice contient quelques remarques à propos du statut systématique de plusieurs taxa habituellement inclus dans, ou apparentés à, la famille Eurhinodelphinidae.","BibLvlCode":"AS","StandardTitle":"Review of the Miocene long-snouted dolphin <i>Priscodelphinus cristatus</i> DU BUS, 1872 (Cetacea, Odontoceti) and phylogeny among eurhinodelphinids","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Eurhinodelphinidae, taxonomy, Xiphiacetus cristatus, evolutionary trends, phylogeny","OtherDescriptors":null,"Notes":null,"AnaPub":2005,"MonPub":null,"DateUpdate":"2014-02-26","DateCreate":"2014-02-26","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":233868,"PubliDate":2005,"Pagination":"211-235","XtraPublOfAnaID":null,"ISBN":null,"Volume":"75","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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