Class: CEPHALOPODA --- Taxon Tree: ORTHOCERATOIDEA [Subclass] - ORTHOCERIDA [Order] ------ Family: GEISONOCERATIDAE Zhuravleva, 1959 † (Sea) ------------ Genus: Columenoceras Barskov, 1960 †
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Wrong data? please email to: Claudio Galli - last updated: 28/ago/2017
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