{"refrec":{"BRefID":964,"RR":"<b>Herman, J.; Hovestadt-Euler, M.; Hovestadt, D.C.</b> (1993). Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of Chondrichthyan fishes. Part A. Selachii. 1b: Order: Hexanchiformes - Family: Chlamydoselachidae. 5: Order: Heterodontiformes - Family: Heterodontidae. 6: Order: Lamniformes - Families: Cetorhinidae, Megachasmidae; Addendum 1 to 3: Order Squaliformes; Addendum 1 to 4: Order: Orectolobiformes; General Glossary; Summary part A. <i>Bull. Kon. Belg. Inst. Natuurwet. Biologie 63</i>: 185-256","BEntID":964,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":". <i>Bull. Kon. Belg. Inst. Natuurwet. Biologie 63</i>: 185-256","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Herman, J.; Hovestadt-Euler, M.; Hovestadt, D.C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Herman, J. <i>et al.</i>","Englishabstract":"The morphology of the microteeth of the following taxa is described and illustrated with SEM-photographs in order to elucidate the interrelationships within the shark orders and families concerned and also from odontological point of view. Contribution 1b: The monotypic single genus of the hexanchiform Chlamydoselachidae. The tooth morphology of <i>C. anguineus</i> is compared with that of taxa of the only other hexanchiformes. The dental histology is commented on, and the dental vascular type is re-examined in order to understand the root form. The results are summarized in an odontological diagnosis for the genus. Investigational results on dental morphology, histology and vascularization recommend a reconsideration of the systematic position of the Chlamydoselachidae, which show a closer relation to Orectolobiformes than to Hexanchidae. Contribution 5: The three genera <i>Tropidodus, Gyropleurodus</i> and <i>Heterodontus</i> of the heterodontiform family Heterodontidae as once proposed by Gill, 1862. The differences in tooth morphology are only of interspecific signification. Contribution 6: The genera of the monotypic families Cetorhinidae and Megachasmidae. The morphology of the small teeth in both families is characteristic for filter-feeders. <i>Cetorhinus</i> exhibits irregular size and shape of its small teeth and a distinct ontogenetic heterodonty in its dentition. <i>Megachasma</i>, in contrast, shows small teeth of equal size and shape indicating a relatively recent adaptation to filter-feeding. Contribution 3, addendum 1: The squalid species <i>Scymnodon squamulosus</i> and <i>Scymnodon obscurus</i> attributable to the genus <i>Zameus</i>, proposed by Jordan and Fowler in 1903 and revalidated by Taniuchi and Garrick in 1986. Odontological investigations indicate a synonymy of <i>Zameus</i> and <i>Scymnodalatias</i> with <i>Scymnodon</i>. Contribution 4, addendum 1: The type species of the monotypic orectolobid genus <i>Sutorectus</i>. The results are summarized in a diagnosis for the genus and offer hardly any odontological arguments for distinguishing <i>Sutorectus</i> from <i>Orectolobus</i>.","AbstractOtherLang":"La morphologie dentaire des taxa suivants est décrite et figurée sur base de clichés MEB, afin d'éclaircir d'un point de vue odontologique les relations au sein des ordres et familles concernés. Contribution 1b: l'unique genre <i>Chlamydoselachus</i> de la famille Chlamydoselachidae, toujours considérée comme faisant partie des Hexanchiformes. La morphologie dentaire de <i>C. anguineus</i> est comparée avec celles des autres Hexanchiformes. Histologie et vascularisation dentaires sont réexaminées afin de réinterpréter sa structure radiculaire. Les données qui résultent de ces observations obligent à reconsidérer la position systématique des Chlamydoselachidae. Ceux- ci présentent odontologiquement plus d'affinités avec les Orectolobiformes qu'avec les Hexanchidáe. Contribution 5: les trois genres <i>Heterodontus, Tropidodus</i> et <i>Gyropleurodus</i> proposés par GILL en 1862 en lieu et place du seul genre <i>Heterodontus</i>. Les différences observées relèvent de la seule intraspécificité. Contribution 6 : les genres <i>Cetorhinus</i> (Familie Cetorhinidae) et <i>Megachasma</i> (Familie Megachasmidae). La morphologie des dents de ces deux genres est caractéristique des requins filtreurs. Contribution 3, addendum 1 : les espèces <i>Scymnodon squamulosus</i> et <i>Scymnodon obscurus</i> attribuables au genre <i>Zameus</i> proposé par JORDAN et FOWLER en 1903 et revalidé par T ANIUCHI et GARRICK en 1986. Les observations odontologiques permettent des synonymiser les genres <i>Zameus</i> et <i>Scymnodalatias</i> avec <i>Scymnodon</i>. Contribution 4, addendum 1: l'espèce type du genre <i>Sutorectus (S. tentaculatus</i>). Les différences odontologiques observées ne permettent pas de distinguer génériquement <i>Sutorectus d'Orectolobus</i>.","BibLvlCode":"AS","StandardTitle":"Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of Chondrichthyan fishes. Part A. Selachii. 1b: Order: Hexanchiformes - Family: Chlamydoselachidae. 5: Order: Heterodontiformes - Family: Heterodontidae. 6: Order: Lamniformes - Families: Cetorhinidae, Megachasmidae; Addendum 1 to 3: Order Squaliformes; Addendum 1 to 4: Order: Orectolobiformes; General Glossary; Summary part A","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":"Elasmobranchii - Selachii - Chlamydoselachidae - Heterodontidae - Cetorhinidae - Megachasmidae - Squalidae - Orectolobidae - Odontology - Systematics","OtherDescriptors":null,"Notes":null,"AnaPub":1993,"MonPub":null,"DateUpdate":"2016-08-12","DateCreate":"2000-08-24","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":964,"PubliDate":1993,"Pagination":"185-256","XtraPublOfAnaID":null,"ISBN":null,"Volume":"63","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44202,"SerRR":"Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. 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