Species list, Checklist of Order Spirobolida (Round-backed millipedes) for Eastern California (California, 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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Eastern California

Riverside County

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INSECTOIDGERENGDARK LIGHT

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Checklist for Order Spirobolida Cook, 1895 (Round-backed millipedes)
and region Eastern California (California, USA)

Class	Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes	19 31 38	Families Genera Species	Taxom
Subclass	Chilognatha Latreille, 1802	19 31 38	Families Genera Species	Taxom
Infraclass	Helminthomorpha Pocock, 1887	19 31 38	Families Genera Species	Taxom
Superorder	Anocheta Cook, 1895	3 4 4	Families Genera Species	Taxom
Order	Spirobolida Cook, 1895 Round-backed millipedes	3 4 4	Families Genera Species	Taxom

List of families for Eastern California
3 Families width 4 Species

Spirobolidae Bollman, 1893		2	Species	Taxom
Atopetholidae Chamberlin, 1918		1	Species	Taxom
Trigoniulidae Attems, 1909		1	Species	Taxom

Genera for Eastern California
4 Genera with 4 Species

Hiltonius Chamberlin, 1953		1	Species	Taxom
Onychelus Cook, 1904		1	Species	Taxom
Trigoniulus Pocock, 1945		1	Species	Taxom
Tylobolus Cook, 1949		1	Species	Taxom

Species list for Eastern California
4 Species

Hiltonius palmaris (Loomis, 1953)	⇒ Hiltonius pulchrus Chamberlin, 1918
Onychelus obustus Cook, 1904	Rocky mountainsnail
Trigoniulus amnestus Chamberlin, 1945
Tylobolus simulatus Chamberlin, 1949

Subnodes of Spirobolida with occurrences in Eastern California

Suborder	Trigoniulidea Brölemann, 1913	1 1 1	Family Genus Species	Taxom
Family	Atopetholidae Chamberlin, 1918	1 1	Genus Species	Taxom
Family	Spirobolidae Bollman, 1893	2 2	Genera Species	Taxom

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