Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects) and region Bertha (Keith County, Nebraska, USA)
List of families for Bertha (Keith County) 1 Family width 1 Species
Genera for Bertha (Keith County) 1 Genera with 1 Species
Species list for Bertha (Keith County) 1 Species
Subnodes of Palaeoptera with occurrences in Bertha (Keith County)
Links, sources and further information Palaeoptera at itis.gov
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