Class: CEPHALOPODA --- Taxon Tree: ORTHOCERATOIDEA [Subclass] - ORTHOCERIDA [Order] ------ Family: ARIONOCERATIDAE Dzik, 1984 † (Sea) ------------ Genus: Arionoceras Barskov, 1966 †
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Wrong data? please email to: Claudio Galli - last updated: 27/ago/2017
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