Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects) and region Cheyenne Crossing (Lawrence County, South Dakota, USA)
List of families for Cheyenne Crossing 4 Families width 8 Species
Genera for Cheyenne Crossing 5 Genera with 8 Species
Species list for Cheyenne Crossing 8 Species
Subnodes of Palaeoptera with occurrences in Cheyenne Crossing
Links, sources and further information Palaeoptera at itis.gov
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