Carabocrinus vancortlandi (Billings 1857)
Small calyx bases, one on the left, amongst Trilobite debris. From Gamebridge, On., Canada. Upper Ordovician, Katian, Verulam Formation.
By Ludwigia
Small calyx bases, one on the left, amongst Trilobite debris. From Gamebridge, On., Canada. Upper Ordovician, Katian, Verulam Formation.
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