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Checklist for Infraclass Helminthomorpha Pocock, 1887
and region Lewis County (Washington, USA)


Class
 		Diplopoda
De Blainville in Gervais, 1844
Diplopods, Millepedes, Millipede, Millipedes		6
6
6		Families
Genera
Species		 
Taxom
 

Subclass
 		Chilognatha
Latreille, 1802
6
6
6		Families
Genera
Species		 
Taxom
 

Infraclass
 		Helminthomorpha
Pocock, 1887
6
6
6		Families
Genera
Species		 
Taxom
 


List of families for Lewis County (Washington)
6 Families width 6 Species
Nearctodesmidae Chamberlin &..., 19501SpeciesTaxom
Spirobolidae (Bollman, 1893)1SpeciesTaxom
Paradoxosomatidae (Daday, 1889)1SpeciesTaxom
Parajulidae Bollman, 1893Parajulid Millipedes1SpeciesTaxom
Platyrhacidae Pocock, 18951SpeciesTaxom
Polydesmidae Leach, 1815Flat Millipedes1SpeciesTaxom


Genera for Lewis County (Washington)
6 Genera with 6 Species
Ergodesmus Chamberlin, 19491SpeciesTaxom
Narceus Rafinesque, 18051SpeciesTaxom
Oxidus Cook, 18471SpeciesTaxom
Parajulus Humbert & De..., 18871SpeciesTaxom
Platyrhacus Koch, 18991SpeciesTaxom
Pseudopolydesmus Attems, 18211SpeciesTaxom


Species list for Lewis County (Washington)
6 Species
Ergodesmus compactus Chamberlin, 1949
Narceus americanus (Beauvois, 1805)⇒ Narceus annularus Rafinesque, 1820
Oxidus gracilis (C. L. Koch, 1847)⇒ Oxidus gigas Attems, 1953
Parajulus zonatus Bollman, 1887
Platyrhacus helophorus Attems, 1899
Pseudopolydesmus serratus Say, 1821Common Pink Flat-Back Millipede

Subnodes of Helminthomorpha with occurrences in Lewis County (Washington)
SuperorderAnocheta
Cook, 1895
1
1
1		Family
Genus
Species
Taxom

SuperorderJuliformia
Attems, 1926
1
1
1		Family
Genus
Species
Taxom

SuperorderMerocheta
Cook, 1895
4
4
4		Families
Genera
Species
Taxom



Links, sources and further information
Helminthomorpha at artfakta.se
Helminthomorpha at itis.gov
Helminthomorpha at marinespecies.org