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    Australosomus merlei Piveteau, 1934


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    Images:

    oilshale
    • Small to medium size fish (~ 10 to 15cm / 4 to 6"), fusiform body, relatively small head with a slightly rounded snout. Its dorsal fin is located in the posterior fourth of the body. Caudal fin divided with wide lobes. Scales on the flanks are noticeably stalk-shaped.

      Australosomus Rek2.jpg

       

       

      Lit.:
      Pivetau, J. (1934): Paléontologie de Madagascar, XXI. Les poissons du Trias inférieur. Contribution a l’etude des Actinopterygiens. Ann Paleont., 23: 81-180; Paris
      Lehmann, J.-P. (1952): Étude complémentaire des poissons de l’Eotrias de Madagascar. Kungliga Svenska Vetenskaps-akademiens Hangdlingar (4), 2 (6): 1-201; Stockholm

    Taxonomy

    Kingdom: Animalia
    Phylum: Chordata
    Class: Actinopterygii
    Order: Pholidopleuriformes
    Family: Pholidopleuridae
    Genus: Australosomus
    Species: A. merlei
    Author Citation PIVETEAU, 1934

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Triassic
    Epoch: Early
    International Age: Dienerian

    Stratigraphy

    Beaufort Group
    Sakamena Formation

    Biostratigraphy

    Lystrosaurus and Cynognathus Zone
    Fish and Ammonite Horizon

    Provenance

    Acquired by: Purchase/Trade

    Dimensions

    Blank: 13cm

    Location

    Ambilobe
    Antsiranana Province
    Diana Region
    Madagascar

    Comments

    Small to medium size fish (~ 10 to 15cm / 4 to 6"), fusiform body, relatively small head with a slightly rounded snout. Its dorsal fin is located in the posterior fourth of the body. Caudal fin divided with wide lobes. Scales on the flanks are noticeably stalk-shaped.

    Australosomus Rek2.jpg

     

     

    Lit.:
    Pivetau, J. (1934): Paléontologie de Madagascar, XXI. Les poissons du Trias inférieur. Contribution a l’etude des Actinopterygiens. Ann Paleont., 23: 81-180; Paris
    Lehmann, J.-P. (1952): Étude complémentaire des poissons de l’Eotrias de Madagascar. Kungliga Svenska Vetenskaps-akademiens Hangdlingar (4), 2 (6): 1-201; Stockholm

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