Checklist for Infraclass Megoperculata Börner, 1902 and region York (York County, Nebraska, USA)
List of families for York (York County Nebraska) 5 Families width 6 Species
Genera for York (York County Nebraska) 5 Genera with 6 Species
Species list for York (York County Nebraska) 6 Species
Subnodes of Megoperculata with occurrences in York (York County Nebraska)
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