PaleoDB taxon number: 95780
"Diagnostic at generic-level but not at specific-level. Retained as a valid species in the interests of taxonomic stability" Clack & Milner (2015)
Type specimen: NHMUK R.4056/R.4183, a partial skull. Its type locality is Albion Mine, Stellarton, which is in a Moscovian terrestrial coal in Canada.