Species list, Checklist of Order Spirobolida (Round-backed millipedes) for Calhoun (Harrison County, Iowa, 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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Harrison County

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INSECTOIDGERENGDARK LIGHT

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Checklist for Order Spirobolida Cook, 1895 (Round-backed millipedes)
and region Calhoun (Harrison County, Iowa, USA)

Class	Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes	2 2 2	Families Genera Species	Taxom
Subclass	Chilognatha Latreille, 1802	2 2 2	Families Genera Species	Taxom
Infraclass	Helminthomorpha Pocock, 1887	2 2 2	Families Genera Species	Taxom
Superorder	Anocheta Cook, 1895	1 1 1	Family Genus Species	Taxom
Order	Spirobolida Cook, 1895 Round-backed millipedes	1 1 1	Family Genus Species	Taxom

List of families for Calhoun (Harrison County Iowa)
1 Family width 1 Species

Trigoniulidae Attems, 1909

1

Species

Genera for Calhoun (Harrison County Iowa)
1 Genera with 1 Species

Trigoniulus Pocock, 1945

1

Species

Species list for Calhoun (Harrison County Iowa)
1 Species

Trigoniulus amnestus Chamberlin, 1945

Subnodes of Spirobolida with occurrences in Calhoun (Harrison County Iowa)

Suborder

Trigoniulidea
Brölemann, 1913

1
1
1

Family
Genus
Species

Links, sources and further information

Spirobolida at artfakta.se
Spirobolida at dyntaxa.se
Spirobolida at gbif.org
Spirobolida at irmng.org
Spirobolida at itis.gov