Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects) and region Penn (York County, Pennsylvania, USA)
List of families for Penn (York County Pennsylvania) 3 Families width 2 Species
Genera for Penn (York County Pennsylvania) 3 Genera with 2 Species
Species list for Penn (York County Pennsylvania) 2 Species
Subnodes of Palaeoptera with occurrences in Penn (York County Pennsylvania)
Links, sources and further information Palaeoptera at itis.gov
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