Checklist for Infraclass Megoperculata Börner, 1902 and region Mount Vernon (Black Hawk County, Iowa, USA)
List of families for Mount Vernon (Black Hawk County) 3 Families width 4 Species
Genera for Mount Vernon (Black Hawk County) 4 Genera with 4 Species
Species list for Mount Vernon (Black Hawk County) 4 Species
Subnodes of Megoperculata with occurrences in Mount Vernon (Black Hawk County)
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