Checklist for Suborder Asaphina Fortey & Chatterton, 1988
and region Southwestern Ontario (Southern Ontario, Ontario, Canada)

List of families for Southwestern Ontario
2 Families width 6 Species

Genera for Southwestern Ontario
4 Genera with 6 Species

Species list for Southwestern Ontario
6 Species

Subnodes of Asaphina with occurrences in Southwestern Ontario