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Checklist for Order Eurypterida Burmeister, 1843 (Eurypterids)
and region Montana (West USA, USA)


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

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


List of families for Montana
1 Family width 1 Species
Pterygotidae Clarke & Rue..., 19121SpeciesTaxom


Genera for Montana
1 Genera with 1 Species
Pterygotus Agassiz, 01SpeciesTaxom


Species list for Montana
1 Species
Pterygotus (Pterygotus) montanensis ♰

Subnodes of Eurypterida with occurrences in Montana
SuperfamilyPterygotioidea ♰
Clarke & Ruedemann, 1912
1
1
1		Family
Genus
Species
Taxom



Links, sources and further information
Eurypterida at irmng.org