Unidentified Crinoid Stems
The block measures 20x15cm. Found at a construction site in Caledon, On., Canada. Assumed to originate from the middle Silurian Lockport Group, Gasport Formation.
By Ludwigia
The block measures 20x15cm. Found at a construction site in Caledon, On., Canada. Assumed to originate from the middle Silurian Lockport Group, Gasport Formation.
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