Submitted by: Alexander Brown
Taxon: Mucrospirifer thedfordensis
Submit date: 2015-01-14
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Widder Formation
Age: Erian (Middle Devonian)
Submitter notes: A side-by-side photo of two typical specimens showing both the brachial and pedicle views. The brachiopod on the left measures 31mm wide and the other is 35mm wide.