Class: CEPHALOPODA --- Taxon Tree: NAUTILOIDEA [Subclass] - PSEUDORTHOCERIDA [Order] ------ Family: SPYROCERATIDAE Shimizu & Obata, 1935 † (Sea) ------------ Genus: Spyroceras Hyatt, 1884 †
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Wrong data? please email to: Claudio Galli - last updated: 28/ago/2017
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