Species list, Checklist of Order Spirobolida (Round-backed millipedes) for Los Angeles County (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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Los Angeles County

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INSECTOIDGERENGDARK LIGHT

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

Class	Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes	17 24 26	Families Genera Species	Taxom
Subclass	Chilognatha Latreille, 1802	17 24 26	Families Genera Species	Taxom
Infraclass	Helminthomorpha Pocock, 1887	16 23 25	Families Genera Species	Taxom
Superorder	Anocheta Cook, 1895	3 5 7	Families Genera Species	Taxom
Order	Spirobolida Cook, 1895 Round-backed millipedes	3 5 7	Families Genera Species	Taxom

List of families for Los Angeles County
3 Families width 7 Species

Atopetholidae Chamberlin, 1918		3	Species	Taxom
Spirobolidae Bollman, 1893		3	Species	Taxom
Trigoniulidae Attems, 1909		1	Species	Taxom

Genera for Los Angeles County
5 Genera with 7 Species

Atopetholus Chamberlin, 1918		2	Species	Taxom
Hiltonius Chamberlin, 1918		2	Species	Taxom
Tidolus Chamberlin, 1918		1	Species	Taxom
Trigoniulus Pocock, 1945		1	Species	Taxom
Tylobolus Cook, 1918		1	Species	Taxom

Species list for Los Angeles County
7 Species

Atopetholus angelus Chamberlin, 1920
Atopetholus californicus Chamberlin, 1918	Redwood hesperian
Hiltonius australis ♰ F. Grinnell, 1908	Black Range mountainsnail
Hiltonius pulchrus Chamberlin, 1918	Redwood hesperian
Tidolus parvus Chamberlin, 1918	Redwood hesperian
Trigoniulus amnestus Chamberlin, 1945
Tylobolus claremontus Chamberlin, 1918	Redwood hesperian

Subnodes of Spirobolida with occurrences in Los Angeles County

Suborder	Trigoniulidea Brölemann, 1913	1 1 1	Family Genus Species	Taxom
Family	Atopetholidae Chamberlin, 1918	2 3	Genera Species	Taxom
Family	Spirobolidae Bollman, 1893	2 3	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