Submitted by: ummp invertebrate paleontology
Taxon: Phacops iowensis southworthi
Submit date: 2008-04-28
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Hungry Hollow Formation
Age: Erian (Middle Devonian)
Submitter notes: This specimen is the holotype for the species, It is 7.5 cm across the slab.