Checklist for Superfamily Acastoidea Reijers, 1972
and region Southwestern Ontario (Southern Ontario, Ontario, Canada)

List of families for Southwestern Ontario
2 Families width 2 Species

Genera for Southwestern Ontario
2 Genera with 2 Species

Species list for Southwestern Ontario
2 Species

Subnodes of Acastoidea with occurrences in Southwestern Ontario