Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Order Polyzoniida

Polyzoniid Millipede - Petaserpes Polyzoniid Millipedes clustered - Petaserpes Millipede - Petaserpes Polyzoniida Unknown Millipede - Rhinotus purpureus Unidentified Millipede - Rhinotus purpureus Pink-orange millipede - Bdellozonium - male Pink-orange millipede - Bdellozonium - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Polyzoniida
Synonyms and other taxonomic changes
Ommatophora Brandt, 1840
Orthozonia Verhoeff, 1840
3 Families
2 families native to North America, Siphonotidae introduced. (1)
Leech-shaped body: back domed or arched, ventral side flat. Small, cone-shaped head. Few ocelli. Dorsal groove absent. Paranota absent.
Similar to Platydesmida (flat with tiny heads and from 30 to 192 body rings) but are smooth and lack the dorsal groove. The usual color is cream. (2)
In North America: British Columbia to southern Sierra Nevada and central California coast; Quebec to southern Georgia. (1)
Moist soil and leaf litter.
Various plant materials.
Works Cited
1.Centipedes and Millipedes, with an Emphasis on North American Fauna
Rowland M. Shelley. 1999. Emporia State University.
2.Spiders and Their Kin: A Golden Guide from St. Martin's Press
Herbert W. Levi, Lorna R. Levi, Nicholas Strekalovsky. 2001. St. Martin's Press.