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Polyzoniida

Summary

Polyzoniida is an order of millipedes in the subterclass Colobognatha containing three families and at least 74 described species.[1]

Polyzoniida
Octoglena bivirgata from the western United States
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Myriapoda
Class: Diplopoda
Subclass: Chilognatha
Infraclass: Helminthomorpha
Subterclass: Colobognatha
Order: Polyzoniida
Cook, 1895
Families
Synonyms

Ommatophora Brandt, 1840
Orthozonia Verhoeff, 1840

Description edit

 
Male Bdellozonium cerviculatum from the western United States viewed from below and above

Polyzoniidans have a somewhat domed dorsal surface with a flat ventral side. Their heads are small and cone-like, with few ocelli. They lack a dorsal groove and paranota (lateral extensions of each segment).[2]

Classification edit

The order Polyzoniida contains three families:[1]

Hirudisomatidae Silvestri, 1896 (6 genera, 20 species)
Polyzoniidae Newport, 1844 (6 genera, 22 species)
Siphonotidae Cook, 1895 (15 genera, 40 species)

Distribution edit

The family Hirudisomatidae occurs from Spain to the Himalayas in Eurasia, Japan, and in North America from southwest Canada to central Mexico.
Polyzoniidae has a holarctic (northern hemisphere) distribution, occurring in the northwest and northeast United States, eastern Canada, and in Europe from the United Kingdom and France to Siberia.
Siphonotidae has a southern distribution, occurring in Brazil and Chile, South Africa, Southeast Asia, Indonesia, Tasmania, and New Zealand.[3][4]

References edit

  1. ^ a b Shear, W. (2011). "Class Diplopoda de Blainville in Gervais, 1844" (PDF). In Zhang, Z.-Q. (ed.). Animal biodiversity: an outline of higher-level classification and survey of taxonomic richness. Vol. 3148. pp. 159–164. ISBN 978-1-86977-850-7. {{cite book}}: |journal= ignored (help)
  2. ^ "Diagnostic features of Millipede Orders" (PDF). Milli-PEET Identification Tables. The Field Museum, Chicago. Retrieved 25 October 2013.
  3. ^ "Geographic distribution of Millipede Families" (PDF). Milli-PEET Identification Tables. The Field Museum, Chicago. Retrieved 25 October 2013.
  4. ^ Mesibov, Robert. "Millipede species: Polyzoniida". Tasmanian Multipedes. Retrieved 14 November 2013.

External links edit

  •   Media related to Polyzoniida at Wikimedia Commons
  •   Data related to Polyzoniida at Wikispecies
  • "Polyzoniida" at the Encyclopedia of Life  
  • Polyzoniida of Tasmania