Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects) and region Columbus (Hempstead County, Arkansas, USA)
List of families for Columbus (Arkansas) 3 Families width 4 Species
Genera for Columbus (Arkansas) 4 Genera with 4 Species
Species list for Columbus (Arkansas) 4 Species
Subnodes of Palaeoptera with occurrences in Columbus (Arkansas)
Links, sources and further information Palaeoptera at itis.gov
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