Submitted by: Joseph Koniecki
Taxon: Arthroacantha carpenteri
Submit date: 2008-02-15
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Arkona Formation
Age: Erian (Middle Devonian)
Submitter notes: Note the gastropod with spines sitting on top of the calyx. This association is not unusual but to be able to see the spines on the gastropod is uncommon.