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Checklist for Order Polydesmida Pocock, 1887 (Flat-backed Millipedes)
and region Alexander Archipelago (Southeast Alaska, Alaska, USA)


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

Subclass
 		Chilognatha
Latreille, 1802
5
5
3		Families
Genera
Species		 
Taxom
 

Infraclass
 		Helminthomorpha
Pocock, 1887
5
5
3		Families
Genera
Species		 
Taxom
 

Superorder
 		Merocheta
Cook, 1895
2
2
2		Families
Genera
Species		 
Taxom
 

Order
 		Polydesmida
Pocock, 1887
Flat-backed Millipedes		2
2
2		Families
Genera
Species		 
Taxom
 


List of families for Alexander Archipelago
2 Families width 2 Species
Xystodesmidae Cook, 1895Xystodesmid Millipedes1SpeciesTaxom
Platyrhacidae Pocock, 18951SpeciesTaxom


Genera for Alexander Archipelago
2 Genera with 2 Species
Harpaphe Cook, 18641SpeciesTaxom
Platyrhacus Koch, 18991SpeciesTaxom


Species list for Alexander Archipelago
2 Species
Harpaphe haydeniana Wood, 1864Almond-scented millipede
Platyrhacus helophorus Attems, 1899

Subnodes of Polydesmida with occurrences in Alexander Archipelago
SuborderChelodesmidea
Cook, 1895
2
2
2		Families
Genera
Species
Taxom



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