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Checklist for Superfamily Bathyuroidea Walcott, 1886
and region Orr Formation (Utah, USA)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		20
39
13		Families
Genera
Species		 
Taxom
 

Order
 		Proetida ♰
Fortey & Owens, 1975
1
1
0		Family
Genus
Species		 
Taxom
 

Suborder
 		Aulacopleurina ♰
Pribyl, 1949
1
1
0		Family
Genus
Species		 
Taxom
 

Superfamily
 		Bathyuroidea ♰
Walcott, 1886
1
1
0		Family
Genus
Species		 
Taxom
 


List of families for Orr Formation
1 Family width 0 Species
Raymondinidae (Clark, 1924)0SpeciesTaxom


Genera for Orr Formation
1 Genera with 0 Species
Brassicicephalus LOCHMAN, 1940
0SpeciesTaxom

Subnodes of Bathyuroidea with occurrences in Orr Formation
FamilyRaymondinidae ♰
Clark, 1924
1
0		Genus
Species
Taxom