Oelandia
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Template:Short description Template:For Template:Automatic taxobox
Oelandia is an extinct genus of basal molluscs of the family helcionellid from the Middle Cambrian of Sweden, China and North America.<ref name=Peel1991>Template:Peel 1991</ref> It has a small, upwards-pointing anterior snorkel with a closed end. It bears pronounced concentric ribbing around its strongly coiled exogastric shell.<ref name=Peel1991/>