Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Family Caseyidae

Millipede - Underwoodia iuloides Millipede - Underwoodia iuloides millipede - Opiona columbiana Millipede - Underwoodia iuloides Caseyidae? - Caseya Caseyidae? striped and dotted millipede striped and dotted millipede
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Chordeumatida
Family Caseyidae
Numbers
6 genera in northeastern and western North America:
Caseya Cook & Collins, 1895 - 25 species and subspecies in California and Oregon
Metopiona Gardner & Shelley, 1989 - 1 species, Washington County, Oregon
Ochrogramma Gardner & Shelley, 1989 - 4 species, northern California and southwestern Oregon
Opiona Chamberlin, 1951 - 15 species and subspecies, coastal central California, western Oregon, Puget Sound region
Speoseya Causey, 1954 - 1 species, Calaveras County, California
Underwoodia Cook & Collins, 1895 - 2 species, northern North America
Vasingtona Chamberlin, 1941 - 1 species, British Columbia to Oregon