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Checklist for Order Eurypterida Burmeister, 1843 (Eurypterids)
and region Upper Ordovician (Ordovician)


Class
 		Merostomata
Woodward, 1866
Horseshoe crabs, Merostomates		2
3
1		Families
Genera
Species		 
Taxom
 

Order
 		Eurypterida ♰
Burmeister, 1843
Eurypterids, Sea scorpions		1
2
1		Family
Genera
Species		 
Taxom
 


List of families for Upper Ordovician
1 Family width 1 Species
Eurypteridae De Kay, 18250SpeciesTaxom


Genera for Upper Ordovician
1 Genera with 1 Species
Megalograptus Miller, 1874
0SpeciesTaxom

Subnodes of Eurypterida with occurrences in Upper Ordovician
FamilyEurypteridae ♰
De Kay, 1825
1
0		Genus
Species
Taxom



Links, sources and further information
Eurypterida at irmng.org