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

Class	Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes	7 8 9	Families Genera Species	Taxom
Subclass	Chilognatha Latreille, 1802	7 8 9	Families Genera Species	Taxom
Infraclass	Helminthomorpha Pocock, 1887	7 8 9	Families Genera Species	Taxom
Superorder	Merocheta Cook, 1895	5 6 7	Families Genera Species	Taxom
Order	Polydesmida Pocock, 1887 Flat-backed Millipedes	5 6 7	Families Genera Species	Taxom

List of families for Clarion County
5 Families width 7 Species

Euryuridae Pocock, 1909		1	Species	Taxom
Xystodesmidae Cook, 1895	Xystodesmid Millipedes	2	Species	Taxom
Paradoxosomatidae (Daday, 1889)		1	Species	Taxom
Platyrhacidae Pocock, 1895		1	Species	Taxom
Polydesmidae Leach, 1815	Flat Millipedes	2	Species	Taxom

Genera for Clarion County
6 Genera with 7 Species

Euryurus C. L. Koch, 1832	1	Species	Taxom
Melaphe Cook, 1968	1	Species	Taxom
Oxidus Cook, 1847	1	Species	Taxom
Platyrhacus Koch, 1899	1	Species	Taxom
Pleuroloma Rafinesque, 1820	1	Species	Taxom
Pseudopolydesmus Attems, 1821	2	Species	Taxom

Species list for Clarion County
7 Species

Euryurus leachii Gray, 1832	Milk snail
Melaphe apamea Hoffman & Lo..., 1968
Oxidus gracilis (C. L. Koch, 1847)	⇒ Oxidus gigas Attems, 1953
Platyrhacus helophorus Attems, 1899
Pleuroloma flavipes Rafinesque, 1820	Barren milkvetch
Pseudopolydesmus canadensis Newport, 1844	Canadian Flat-Back Millipede
Pseudopolydesmus serratus Say, 1821	Common Pink Flat-Back Millipede

Subnodes of Polydesmida with occurrences in Clarion County

Suborder	Chelodesmidea Cook, 1895	3 4 4	Families Genera Species	Taxom
Suborder	Paradoxosomatidea Daday, 1889	1 1 1	Family Genus Species	Taxom
Suborder	Polydesmidea Leach, 1815	1 1 2	Family Genus 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