Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects) and region Machias (Snohomish County, Washington, USA)
List of families for Machias (Snohomish County) 2 Families width 1 Species
Genera for Machias (Snohomish County) 2 Genera with 1 Species
Species list for Machias (Snohomish County) 1 Species
Subnodes of Palaeoptera with occurrences in Machias (Snohomish County)
Links, sources and further information Palaeoptera at itis.gov
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