Submitted by: John Topor
Taxon: Devonaster triradiatus, Tentaculites attenuatus
Submit date: 2010-11-04
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Arkona Formation
Age: Erian (Middle Devonian)
Submitter notes: A beautiful specimen measuring 35mm in diameter on a slab that is 76mm X 45mm. With Tentaculites strewn across the matrix