Submitted by: Joseph Koniecki
Taxon: Arthroacantha carpenteri, Conularia sp.
Submit date: 2008-11-07
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Arkona Formation
Age: Erian (Middle Devonian)
Submitter notes: This piece contains three crinoid crowns and a very large conularid.