Chilognatha

Chilognatha is a subclass of the class Diplopoda, which includes the vast majority of extant millipedes, about 12,000 species.

Chilognatha Temporal range: Wenlock–Present PreꞒ Ꞓ O S D C P T J K Pg N
Polydesmus angustus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Myriapoda
Class:	Diplopoda
Subclass:	Chilognatha Latrielle, 1802

Taxonomy

The classification of Chilognatha presented below is based on Shear, 2011,^[1] and Shear & Edgecombe, 2010^[2] (extinct groups). Recent cladistic and molecular studies have challenged the traditional classification schemes above, and in particular the position of the orders Siphoniulida and Polyzoniida is not yet well established.^[3] The placement and positions of extinct groups (†) known only from fossils is tentative and not fully resolved.^[3][2] After each name is listed the author citation: the name of the person who coined the name or defined the group, even if not at the current rank.

• Subclass Chilognatha Latrielle, 1802
  • Order †Zosterogrammida Wilson, 2005 (Chilognatha incertae sedis)^[2]
  • Order †Microdecemplicida? Wilson & Shear, 2000 (Originally considered as member of Arthropleuridea)^[4]
  • Infraclass Pentazonia Brandt, 1833
    • Order †Amynilyspedida Hoffman, 1969
    • Superorder Limacomorpha Pocock, 1894
      • Order Glomeridesmida Cook, 1895
    • Superorder Oniscomorpha Pocock, 1887
      • Order Glomerida Brandt, 1833
      • Order Sphaerotheriida Brandt, 1833
  • Infraclass Helminthomorpha Pocock, 1887
    • Superorder †Archipolypoda Scudder, 1882
      • Order †Archidesmida Wilson & Anderson 2004
      • Order †Cowiedesmida Wilson & Anderson 2004
      • Order †Euphoberiida Hoffman, 1969
      • Order †Palaeosomatida Hannibal & Krzeminski, 2005
    • Order †Pleurojulida Schneider & Werneburg, 1998 (possibly sister to Colobognatha)^[3]
    • Subterclass Colobognatha Brandt, 1834
      • Order Platydesmida Cook, 1895
      • Order Polyzoniida Cook, 1895
      • Order Siphonocryptida Cook, 1895
      • Order Siphonophorida Newport, 1844
    • Subterclass Eugnatha Attems, 1898
      • Superorder Juliformia Attems, 1926
        • Order Julida Brandt, 1833
        • Order Spirobolida Cook, 1895
        • Order Spirostreptida Brandt, 1833
        • Superfamily †Xyloiuloidea Cook, 1895 (Sometimes aligned with Spirobolida)^[5]
      • Superorder Nematophora Verhoeff, 1913
        • Order Callipodida Pocock, 1894
        • Order Chordeumatida Pocock 1894
        • Order Stemmiulida Cook, 1895
        • Order Siphoniulida Cook, 1895
      • Superorder Merocheta Cook, 1895
        • Order Polydesmida Pocock, 1887