Crinoid Calyxes

Submitted by: Mike Topor
Taxon: Dolatocrinus bulbaceous
Submit date: 2007-03-05
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Hungry Hollow Formation
Age: Erian (Middle Devonian)
Submitter notes: The photo shows three different views of three specimens. On the left is the top view showing the tegmen, the center shows a side view of the plate ornamentation, and on the right shows the stem attachment area. Of all the crinoids that occur in the formation, your best chance is finding this Dolatocrinus sp. However, all crinoids in the Hungry Hollow member are rare. See scale in photo for size.

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