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Checklist for Order Eurypterida Burmeister, 1843 (Eurypterids)
and region Beaver County (Pennsylvania, USA)


Class
 		Merostomata
Woodward, 1866
Horseshoe crabs, Merostomates		2
2
1		Families
Genera
Species		 
Taxom
 

Order
 		Eurypterida ♰
Burmeister, 1843
Eurypterids, Sea scorpions		1
1
0		Family
Genus
Species		 
Taxom
 


List of families for Beaver County (Pennsylvania)
1 Family width 0 Species
Adelophthalmidae Tollerton, 19890SpeciesTaxom


Genera for Beaver County (Pennsylvania)
1 Genera with 0 Species
Adelophthalmus Jordan, 1854
0SpeciesTaxom

Subnodes of Eurypterida with occurrences in Beaver County (Pennsylvania)
SuperfamilyAdelophthalmoidea ♰
Tetlie & Van Roy, 2006
1
1
0		Family
Genus
Species
Taxom



Links, sources and further information
Eurypterida at irmng.org