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Callipodida

Callipodida
Tetracion jonesi (Abacionidae), a species from the southern United States
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Myriapoda
Class: Diplopoda
Superorder: Nematophora
Order: Callipodida
Pocock, 1894
Suborders
Synonyms

Lysiopetalida Chamberlin, 1943

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Callipodida is an order of millipedes containing around 130 species, many characterized by crests or ridges.

Description

Callipodida are long and narrow millipedes, up to 100 millimetres (3.9 in) in length with 40-60 body segments. A dorsal groove is present running down the mid-line of the body, and many species are ornamented with longitudinal crests or ridges.[1][2] Sexually mature males possess a single pair of gonopods, consisting of the modified anterior leg pair of the 7th body segment, and carried concealed within a pouch.[2][3]

Distribution

Callipodida occurs in North America, Europe, west Asia, southern China and Southeast Asia.[4]

Classification

The living (extant) Callipodida are classified into three suborders, seven families, and approximately 130 species.[5] The genus Sinocallipus, which constitutes the suborder Sinocallipodidea, is thought to be the most primitive, and a sister group to all other callipodans.[6] A fourth, extinct, suborder was described in 2019 to accommodate Burmanopetalum inexpectatum, a 99 million-year-old specimen found in Burmese amber.[7]

Suborder Callipodidea
Suborder Schizopetalidea
Suborder Sinocallipodidea
†Suborder Burmanopetalidea

References

  1. ^ "Diagnostic features of Millipede Orders" (PDF). Milli-PEET Identification Tables. The Field Museum, Chicago. Archived from the original (PDF) on 30 November 2020. Retrieved 25 October 2013.
  2. ^ a b Shelley, Rowland M. (1999). "Centipedes and Millipedes with Emphasis on North American Fauna". The Kansas School Naturalist. 45 (3): 1–16. Archived from the original on 2016-11-12. Retrieved 2013-11-14.
  3. ^ Stoev, P.; Sierwald, P.; Billey, A. (2008). "An annotated world catalogue of the millipede order Callipodida (Arthropoda: Diplopoda)" (PDF). Zootaxa. 1706: 1–50. doi:10.11646/zootaxa.1706.1.1.
  4. ^ "Biogeography of Millipede Orders" (PDF). Milli-PEET Identification Tables. The Field Museum, Chicago. Archived from the original (PDF) on 23 October 2012. Retrieved 25 October 2013.
  5. ^ 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. doi:10.11646/zootaxa.3148.1.32. ISBN 978-1-86977-850-7. {{cite book}}: |journal= ignored (help)
  6. ^ Stoev, Pavel; Enghoff, Henrik (2011). "A review of the millipede genus Sinocallipus Zhang, 1993 (Diplopoda: Callipodida: Sinocallipodidae), with notes on gonopods monotony vs. peripheral diversity in millipedes". ZooKeys (90): 13–34. doi:10.3897/zookeys.90.1291. PMC 3084490. PMID 21594105.
  7. ^ Stoev, Pavel; Moritz, Leif; Wesener, Thomas (2019). "Dwarfs under dinosaur legs: a new millipede of the order Callipodida (Diplopoda) from Cretaceous amber of Burma". ZooKeys (841): 79–96. doi:10.3897/zookeys.841.34991. PMC 6529722. PMID 31148918.


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