Époque : Aptien supérieur
Provenance :
Dimension :
9 cm Commentaires
: probablement zone à martini. |
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Documentation : - J. Anthula, 1900. Über die kreidefossilien des Kaukasus. - M. V. Kakabadze, 1981. The ancyloceratids of the south USSR and their stratigraphical significance. - H. Ch. Klinger, W. J. Kennedy, 1977. Cretaceous faunas from Zululand, south Africa and southern Mozambique - the aptian Ancyloceratidae (Ammonoidea). - C. W. Wright, J. H. Callomon, M. K. Howarth, 1996. Treatise on invertebrate paleontology, part L, Mollusca (revised). |
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