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Checklist for Order Eurypterida Burmeister, 1843 (Eurypterids)
and region Ontario (East Canada, Canada)


Class
 		Merostomata
Woodward, 1866
Horseshoe crabs, Merostomates		4
14
8		Families
Genera
Species		 
Taxom
 

Order
 		Eurypterida ♰
Burmeister, 1843
Eurypterids, Sea scorpions		3
11
8		Families
Genera
Species		 
Taxom
 


List of families for Ontario
3 Families width 8 Species
Pterygotidae Clarke & Rue..., 19121SpeciesTaxom
Carcinosomatidae Størmer, 19342SpeciesTaxom
Eurypteridae De Kay, 18254SpeciesTaxom


Genera for Ontario
7 Genera with 8 Species
Acutiramus Ruedemann, 1935
0SpeciesTaxom
Carcinosoma Claypole, 02SpeciesTaxom
Erieopterus Kjellesvig-W..., 1958
0SpeciesTaxom
Eurypterus De Kay, 18253SpeciesTaxom
Paracarcinosoma Caster & Kje..., 1964
0SpeciesTaxom
Pterygotus Agassiz, 01SpeciesTaxom
Tylopterella Størmer, 01SpeciesTaxom


Species list for Ontario
8 Species
Carcinosoma libertyi ♰ Copeland & B..., 1960
Carcinosoma logani ♰
Eurypterus dekayi ♰ Hall, 1859
Eurypterus lacustris ♰ Harlan, 1834
Eurypterus remipes ♰ Dekay, 1825
Pterygotus canadensis ♰
Tylopterella boylei ♰

Subnodes of Eurypterida with occurrences in Ontario
SuperfamilyPterygotioidea ♰
Clarke & Ruedemann, 1912
1
2
1		Family
Genera
Species
Taxom

FamilyCarcinosomatidae ♰
Størmer, 1934
2
2		Genera
Species
Taxom

FamilyEurypteridae ♰
De Kay, 1825
3
4		Genera
Species
Taxom



Links, sources and further information
Eurypterida at irmng.org