Submitted by: John Topor
Taxon: Mucrospirifer arkonensis
Submit date: 2007-03-12
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Arkona Formation
Age: Erian (Middle Devonian)
Submitter notes: The top specimen on this slab of two Mucrospirifers is in living position. The broken, dispersed shell material below the brachiopod allows for other animals to establish themselves on the muddy sea floor. The length of the brachiopod in living position is about 6cm.