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

Class	Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes	6 9 9	Families Genera Species	Taxom
Subclass	Chilognatha Latreille, 1802	6 9 9	Families Genera Species	Taxom
Infraclass	Helminthomorpha Pocock, 1887	5 8 8	Families Genera Species	Taxom
Superorder	Merocheta Cook, 1895	3 5 5	Families Genera Species	Taxom
Order	Polydesmida Pocock, 1887 Flat-backed Millipedes	3 5 5	Families Genera Species	Taxom

List of families for Polk County (Oregon)
3 Families width 5 Species

Polydesmidae Leach, 1815	Flat Millipedes	3	Species	Taxom
Paradoxosomatidae (Daday, 1889)		1	Species	Taxom
Platyrhacidae Pocock, 1895		1	Species	Taxom

Genera for Polk County (Oregon)
5 Genera with 5 Species

Eubrachydesmus Attems, 1884		1	Species	Taxom
Oxidus Cook, 1847		1	Species	Taxom
Platyrhacus Koch, 1899		1	Species	Taxom
Polydesmus Latreille, 1884	Flat Backed Millipedes	1	Species	Taxom
Pseudopolydesmus Attems, 1888		1	Species	Taxom

Species list for Polk County (Oregon)
5 Species

Eubrachydesmus superus (Latzel, 1884)	⇒ Brachydesmus superus Latzel, 1884
Oxidus gracilis (C. L. Koch, 1847)	⇒ Oxidus gigas Attems, 1953
Platyrhacus helophorus Attems, 1899
Polydesmus angustus Latzel, 1884	Bridge Creek chaparral
Pseudopolydesmus pinetorum Bollman, 1888

Subnodes of Polydesmida with occurrences in Polk County (Oregon)

Suborder	Chelodesmidea Cook, 1895	1 1 1	Family Genus Species	Taxom
Suborder	Paradoxosomatidea Daday, 1889	1 1 1	Family Genus Species	Taxom
Suborder	Polydesmidea Leach, 1815	1 3 3	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