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Checklist for Infraclass Helminthomorpha Pocock, 1887
and region Howell County (Missouri, USA)


Class
 		Diplopoda
De Blainville in Gervais, 1844
Diplopods, Millepedes, Millipede, Millipedes		6
7
6		Families
Genera
Species		 
Taxom
 

Subclass
 		Chilognatha
Latreille, 1802
6
7
6		Families
Genera
Species		 
Taxom
 

Infraclass
 		Helminthomorpha
Pocock, 1887
6
7
6		Families
Genera
Species		 
Taxom
 


List of families for Howell County
6 Families width 6 Species
Abacionidae Shelley, 19790SpeciesTaxom
Spirobolidae (Bollman, 1893)1SpeciesTaxom
Julidae Leach, 1814Juliform Millipedes1SpeciesTaxom
Platyrhacidae Pocock, 18951SpeciesTaxom
Xystodesmidae Cook, 1895Xystodesmid Millipedes1SpeciesTaxom
Polydesmidae Leach, 1815Flat Millipedes2SpeciesTaxom


Genera for Howell County
7 Genera with 6 Species
Abacion Rafinesque, 1820
0SpeciesTaxom
Narceus Rafinesque, 18051SpeciesTaxom
Ophyiulus Berlese, 18431SpeciesTaxom
Platyrhacus Koch, 18991SpeciesTaxom
Pleuroloma Rafinesque, 18201SpeciesTaxom
Pseudopolydesmus Attems, 18211SpeciesTaxom
Scytonotus Koch, 18211SpeciesTaxom


Species list for Howell County
6 Species
Narceus americanus (Beauvois, 1805)⇒ Narceus annularus Rafinesque, 1820
Ophyiulus pilosus Newport, 1843Walnut Canyon talussnail
Platyrhacus helophorus Attems, 1899
Pleuroloma flavipes Rafinesque, 1820Barren milkvetch
Pseudopolydesmus serratus Say, 1821Common Pink Flat-Back Millipede
Scytonotus granulatus Say, 1821Granulated Millipede

Subnodes of Helminthomorpha with occurrences in Howell County
SuperorderAnocheta
Cook, 1895
1
1
1		Family
Genus
Species
Taxom

SuperorderCoelocheta
Cook, 1896
1
1
0		Family
Genus
Species
Taxom

SuperorderJuliformia
Attems, 1926
1
1
1		Family
Genus
Species
Taxom

SuperorderMerocheta
Cook, 1895
3
4
4		Families
Genera
Species
Taxom



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