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Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of Chondrichtyan fishes. Part A: Selachii. 3: Order: Squaliformes - Families: Echinorhinidae, Oxynotidae and Squalidae
Herman, J.; Hovestadt-Euler, M.; Hovestadt, D.C. (1989). Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of Chondrichtyan fishes. Part A: Selachii. 3: Order: Squaliformes - Families: Echinorhinidae, Oxynotidae and Squalidae. Bull. Kon. Belg. Inst. Natuurwet. Biologie 59: 101-157
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
Peer reviewed article  

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Keywords
    Biology > Organism morphology > Animal morphology
    Identification keys
    Mouth parts > Teeth
    Squalidae de Blainville, 1816 [WoRMS]
    Marine
Author keywords
    Elasmobranchii - Selachii - Squaliformes -Echinorhinidae - Squalidae - Odontology

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

Abstract
    The teeth of nearly all supraspecific taxa of squaliformes are described and illustrated by SEM photos. The tooth morphology allows a direct assignment to all these taxa and some proposals of taxonomic adjustments. The results support opinions of other authors, that Echinorhinidae represent a separate order, Oxynotidae coincide odontologically with Squalidae; Squalid genera could be grouped into 8 subfamilies, 4 of which could not be defined hitherto; Centroselachus Garman, 1913 is confirmed and should be revalidated; significant odontological differences do not exist between Cirrhigaleus and Squalus, Lepidorhinus and Centrophorus, Scymnodon and Scymnodalatias, neither between Squaliolus and Heteroscymnoides and Euprotomicrus on the other hand; 2 subgenera appear to be justified for the 3 species of Somniosus: Somniosus (Somniosus) and Somniosus (Rhinoscymnus). An odontological key is given for all these supraspecific taxa.

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