Species list, Checklist of Order Polydesmida (Flat-backed Millipedes) for Hood River County (Oregon, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

Taxonomy & Distribution
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INSECTOIDGERENGDARK LIGHT

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Checklist for Order Polydesmida Pocock, 1887 (Flat-backed Millipedes)
and region Hood River County (Oregon, USA)

Class	Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes	5 8 9	Families Genera Species	Taxom
Subclass	Chilognatha Latreille, 1802	5 8 9	Families Genera Species	Taxom
Infraclass	Helminthomorpha Pocock, 1887	4 7 8	Families Genera Species	Taxom
Superorder	Merocheta Cook, 1895	2 4 5	Families Genera Species	Taxom
Order	Polydesmida Pocock, 1887 Flat-backed Millipedes	2 4 5	Families Genera Species	Taxom

List of families for Hood River County
2 Families width 5 Species

Polydesmidae Leach, 1815	Flat Millipedes	4	Species	Taxom
Xystodesmidae Cook, 1895	Xystodesmid Millipedes	1	Species	Taxom

Genera for Hood River County
4 Genera with 5 Species

Eubrachydesmus Attems, 1884		1	Species	Taxom
Polydesmus Latreille, 1884	Flat Backed Millipedes	2	Species	Taxom
Retrorsia Shelley, 2003		1	Species	Taxom
Thrinaphe Shelley, 1993		1	Species	Taxom

Species list for Hood River County
5 Species

Eubrachydesmus superus (Latzel, 1884)	⇒ Brachydesmus superus Latzel, 1884
Polydesmus angustus Latzel, 1884	Bridge Creek chaparral
Polydesmus inconstans Latzel, 1884	Bridge Creek chaparral
Retrorsia leonardi Shelley, 2003
Thrinaphe hargeri Shelley, 1993

Subnodes of Polydesmida with occurrences in Hood River County

Suborder	Chelodesmidea Cook, 1895	1 1 1	Family Genus Species	Taxom
Suborder	Polydesmidea Leach, 1815	1 3 4	Family 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