Species list, Checklist of Infraclass Helminthomorpha for Lassen County (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
Browser for Arthropods

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Clear CreekLassen National ParkMilfordSilver LakeWillow Creek

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INSECTOIDGERENGDARK LIGHT

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Checklist for Infraclass Helminthomorpha Pocock, 1887
and region Lassen County (Eastern California, California, USA)

Class	Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes	5 5 5	Families Genera Species	Taxom
Subclass	Chilognatha Latreille, 1802	5 5 5	Families Genera Species	Taxom
Infraclass	Helminthomorpha Pocock, 1887	5 5 5	Families Genera Species	Taxom

List of families for Lassen County
5 Families width 5 Species

Caseyidae Verhoeff, 1909		1	Species	Taxom
Cleidogonidae Cook, 1896		1	Species	Taxom
Julidae Leach, 1814	Juliform Millipedes	1	Species	Taxom
Fuhrmannodesmidae Brölemann, 1916		1	Species	Taxom
Platyrhacidae Pocock, 1895		1	Species	Taxom

Genera for Lassen County
5 Genera with 5 Species

Caseya Cook & Collins, 1952	1	Species	Taxom
Cleidogona Cook, 1961	1	Species	Taxom
Ophyiulus Berlese, 1843	1	Species	Taxom
Phreatodesmus Loomis, 1960	1	Species	Taxom
Platyrhacus Koch, 1899	1	Species	Taxom

Species list for Lassen County
5 Species

Caseya similis Causey, 1952
Cleidogona hadena Causey, 1961	Mustang talussnail
Ophyiulus pilosus Newport, 1843	Walnut Canyon talussnail
Phreatodesmus cooki Loomis, 1960
Platyrhacus helophorus Attems, 1899

Subnodes of Helminthomorpha with occurrences in Lassen County

Superorder	Coelocheta Cook, 1896	2 2 2	Families Genera Species	Taxom
Superorder	Juliformia Attems, 1926	1 1 1	Family Genus Species	Taxom
Superorder	Merocheta Cook, 1895	2 2 2	Families Genera Species	Taxom

Links, sources and further information

Helminthomorpha at artfakta.se
Helminthomorpha at itis.gov
Helminthomorpha at marinespecies.org