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Keywords from Image Description:
Philloceratina. en Some examples of Phylloceratina ammonites Phylloceras Jurassic Ptychophylloceras Late Jurassic Calliphylloceras Early Jurassic Juraphyllites Alcuni esempi di ammoniti appartenenti al sottordine Phylloceratina Phylloceras veduta laterale Phylloceras veduta ventrale Ptychophylloceras veduta laterale Ptychophylloceras