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Class: CEPHALOPODA --- Taxon Tree: ORTHOCERATOIDEA [Subclass] - ORTHOCERIDA [Order] ------ Family: ERIDITIDAE Chen in Chen & al, 1981 † (Sea) ------------ Genus: Nathorstoceras Kröger , 2013 †
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Please email your image to: Claudio Galli - last updated: 28/ago/2017
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