Crinoid holdfast

Submitted by: ummp invertebrate paleontology
Taxon: Ancyrocrinus bulbosus
Submit date: 2009-11-08
Location (approximate): Thedford, Lambton, ON
Stratigraphy: Ipperwash Formation
Age: Erian (Middle Devonian)
Submitter notes: The largest of the specimens is 5.5 cm across

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