{"refrec":{"BRefID":216069,"RR":"<b>Mollen, F.H.; Wintner, S.P.; Iglésias, S.P.; Van Sommeran, S.; Jagt, J.W.M.</b> (2012). Comparative morphology of rostral cartilages in extant mackerel sharks (Chondrichthyes, Lamniformes, Lamnidae) using CT scanning. <i>Zootaxa 3340</i>: 29-43","BEntID":207822,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Zootaxa 3340</i>: 29-43","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Mollen, F.H.; Wintner, S.P.; Iglésias, S.P.; Van Sommeran, S.; Jagt, J.W.M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Mollen, F.H. <i>et al.</i>","Englishabstract":"A comparative study of rostral morphology of extant mackerel sharks (Lamniformes, Lamnidae) is presented. Based on computed tomography (CT) scans of fresh specimens, 3D reconstructions, dried museum chondrocrania and the available literature, detailed morphological descriptions of the rostral cartilages are provided for the type species of all three extant lamnid genera, namely <i>Carcharodon carcharias</i> (Linnaeus, 1758), <i>Isurus oxyrinchus</i> Rafinesque, 1810 and <i>Lamna nasus</i> (Bonnaterre, 1788), and compared with those of <i>I. paucus</i> Guitart Manday, 1966 and <i>L. ditropis</i> Hubbs & Follett, 1947. Despite intraspecific variation, the rostral cartilages of all extant lamnids present significant differences that allow genusand species-level identification, which is especially of use to identify fossil rostral nodes of these particular taxa. The main differences were found to be in overall calcification of the rostrum (<i>Lamna</i> > <i>Isurus</i> > <i>Carcharodon</i>), general configuration of the rostral open space, position of the base of the lateral rostral cartilages, (non-)abutting lateral cartilages, (absent) rostral keels and shape of the rostral node. In cross section, the base of the rostral node is rounded in <i>Lamna</i>, Y-shaped in <i>Isurus</i> and uncalcified in juvenile and subadult <i>Carcharodo</i> (tesserae absent).","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Comparative morphology of rostral cartilages in extant mackerel sharks (Chondrichthyes, Lamniformes, Lamnidae) using CT scanning","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":"Rostrum; Computed tomography","OtherDescriptors":null,"Notes":null,"AnaPub":2012,"MonPub":null,"DateUpdate":"2015-04-22","DateCreate":"2012-06-11","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000305192700002","VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":216069,"PubliDate":2012,"Pagination":"29-43","XtraPublOfAnaID":null,"ISBN":null,"Volume":"3340","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":57347,"SerRR":"Zootaxa. 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