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Checklist for Order Spirobolida Cook, 1895 (Round-backed millipedes)
and region Oregon (West USA, USA)


Class
 		Diplopoda
De Blainville in Gervais, 1844
Diplopods, Millepedes, Millipede, Millipedes		30
60
83		Families
Genera
Species		 
Taxom
 

Subclass
 		Chilognatha
Latreille, 1802
29
59
82		Families
Genera
Species		 
Taxom
 

Infraclass
 		Helminthomorpha
Pocock, 1887
28
58
81		Families
Genera
Species		 
Taxom
 

Superorder
 		Anocheta
Cook, 1895
1
2
2		Family
Genera
Species		 
Taxom
 

Order
 		Spirobolida
Cook, 1895
Round-backed millipedes		1
2
2		Family
Genera
Species		 
Taxom
 


List of families for Oregon
1 Family width 2 Species
Spirobolidae Bollman, 18932SpeciesTaxom


Genera for Oregon
2 Genera with 2 Species
Narceus Rafinesque, 18051SpeciesTaxom
Tylobolus Cook, 18641SpeciesTaxom


Species list for Oregon
2 Species
Narceus americanus (Beauvois, 1805)⇒ Narceus annularus Rafinesque, 1820
Tylobolus uncigerus Wood, 1864Grand Coulee mountainsnail

Subnodes of Spirobolida with occurrences in Oregon
FamilySpirobolidae
Bollman, 1893
2
2		Genera
Species
Taxom



Links, sources and further information
Spirobolida at artfakta.se
Spirobolida at dyntaxa.se
Spirobolida at gbif.org
Spirobolida at irmng.org
Spirobolida at itis.gov