Checklist for Infraclass Megoperculata Börner, 1902 and region Jefferson (Guernsey County, Ohio, USA)
List of families for Jefferson (Guernsey County) 2 Families width 2 Species
Genera for Jefferson (Guernsey County) 2 Genera with 2 Species
Species list for Jefferson (Guernsey County) 2 Species
Subnodes of Megoperculata with occurrences in Jefferson (Guernsey County)
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