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Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of Chondrichthyan fishes. Part A. Selachii. 4. Order: Orectolobiformes - Families Brachaeluridae, Ginglymostomatidae, Hemiscylliidae, Orectolobidae, Parascylliidae, Rhiniodontidae, Stegostomatidae. Order: Pristiophoriformes - Family: Pristiophoridae. Order: Squatiniformes - Family: Squatinidae
Herman, J.; Hovestadt-Euler, M.; Hovestadt, D.C. (1992). Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of Chondrichthyan fishes. Part A. Selachii. 4. Order: Orectolobiformes - Families Brachaeluridae, Ginglymostomatidae, Hemiscylliidae, Orectolobidae, Parascylliidae, Rhiniodontidae, Stegostomatidae. Order: Pristiophoriformes - Family: Pristiophoridae. Order: Squatiniformes - Family: Squatinidae. Bull. Kon. Belg. Inst. Natuurwet. Biologie 62: 193-254
In: Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. Biologie = Bulletin de l'Institut Royal des Sciences Naturelles de Belgique. Biologie. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Bruxelles. ISSN 0374-6429, more
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Keyword
    Marine
Author keywords
    Elasmobranchii Selachii Orectolobiformes Pristiophoriformes Squatiniformes Odontology

Authors  Top 
  • Herman, J.
  • Hovestadt-Euler, M.
  • Hovestadt, D.C.

Abstract
    With the exception of the unavailable genera Heteroscyllium and Sutorectus, this fascicle comprises the descriptions of microteeth of the genera of the orectolobiform families Brachaeluridae, Ginglymostomatidae, Hemiscylliidae, Orectolobidae, Parascylliidae, Rhiniodontidae, Stegostomatidae, of the pristiophoriform family Pristiophoridae and the squatiniform family Squatinidae. Detailed descriptions of the tooth morphology, and rostral spine morphology for Pristiophoriformes are given, as well as SEM-photographs. The tooth morphology of the genera concerned is compared in order to elucidate the interrelationships within these shark orders also from an odontological point of view. The dental histology for the orectolobiform genera is commented on, and their dental vascular types are re-examined in order to understand the various root forms. The results are summarized in a differential diagnosis for all orectolobiform genera and families. Dental morphology, histology and vascularization results allow to provide an odontological key to all supraspecific taxa of these orders and to suggest a number of systematical adjustments. The glossary for the series, as published so far, has been complemented and updated.

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