Checklist for Subclass Monocondylia Haeckel, 1866
and region Southwestern Ontario (Southern Ontario, Ontario, Canada)

List of families for Southwestern Ontario
1 Family width 1 Species

Genera for Southwestern Ontario
1 Genera with 1 Species

Species list for Southwestern Ontario
1 Species

Subnodes of Monocondylia with occurrences in Southwestern Ontario