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Taxon: Order Cephalaspidea Fischer, 1883 (mollusc)
Classification by:

Natura - nature
Status: extant
   actualia - actual entities
  Status: extant
     Mundus Plinius - physical world
    Status: extant
       naturalia - natural bodies
      Status: extant
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
        Distribution: cosmopolitan (marine, brackish, freshwater, terrestrial & aerial); Period: Archean - Present (3770 - 0 Mya); Status: extant
           Clade neomura Cavalier-Smith, 1987
          Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Archean - Present (3420 - 0 Mya); Status: extant
             Domain Eukaryota Chatton, 1925 - eukaryotes
            Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Proterozoic - Present (1650 - 0 Mya); Status: extant
               Clade discaria Cavalier-Smith, 2021
              Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Proterozoic - Present [2500 Mya - present]; Status: extant
                 Clade dorsates Cavalier-Smith, 2021
                Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Proterozoic - Present [2500 Mya - present]; Status: extant
                   Clade podiates Cavalier-Smith, 2012
                  Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Proterozoic - Present [2500 Mya - present]; Status: extant
                     Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                    Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Proterozoic - Present (1400 - 0 Mya); Status: extant
                       Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                      Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Proterozoic - Present (1010 - 0 Mya); Status: extant
                         Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                        Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Proterozoic - Present (1010 - 0 Mya); Status: extant
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                          Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Proterozoic - Present [2500 Mya - present]; Status: extant
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                            Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Proterozoic - Present (760 - 0 Mya); Status: extant
                               Kingdom Animalia Linnaeus, 1758 - animals
                              Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Proterozoic - Present (760 - 0 Mya); Status: extant
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                Status: extant
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                  Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Ediacaran - Present (567 - 0 Mya); Status: extant
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                    Period: Ediacaran - Present (558 - 0 Mya); Status: extant
                                       Infrakingdom Protostomia Grobben, 1908
                                      Period: Ediacaran - Present [635 Mya - present]; Status: extant
                                         Superphylum Spiralia Schleip, 1929
                                        Status: extant
                                           Clade Platytrochozoa Struck, Wey-Fabrizius, Golombek, Hering, Weigert, Bleidorn, Klebow, Iakovenko, Hausdorf, Petersen, Kück, Herlyn & Hankeln 2014
                                          Status: extant
                                             Clade Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
                                            Status: extant
                                               Clade Trochozoa Beklemischev, 1944 - trochozoans
                                              Status: extant
                                                 Clade Tetraneuralia Wanninger 2009
                                                Status: extant
                                                   Phylum Mollusca Linnaeus, 1758 - molluscs
                                                  Distribution: Holarctic/Arctic; Status: extant
                                                     Subphylum Conchifera Gegenbauer, 1878
                                                    Status: extant
                                                       Ganglioneura Rudophi, 1812
                                                      Status: extant
                                                         Clade Pleistomollusca Kocot, Cannon, Todt, Citarella, Kohn, Meyer, Santos, Schander, Moroz, Lieb & Halanych 2011
                                                        Status: extant
                                                           Class Gastropoda Cuvier, 1795 - snails and slugs
                                                          Distribution: Holarctic/Arctic; Status: extant
                                                             Subclass Orthogastropoda Ponder & Lindberg, 1995
                                                            Status: extant
                                                               Apogastropoda Salvini-Plawen & Haszprunar, 1987
                                                              Status: extant
                                                                 Superorder Heterobranchia Burmeister, 1837
                                                                Status: extant
                                                                   Euthyneura Spengel, 1881
                                                                  Status: extant
                                                                     Tectipleura Schrödl, Jörger, Klussmann-Kolb & Wilson, 2011
                                                                    Status: extant
                                                                       Clade Euopisthobranchia Jörger, Stöger, Kano, Fukuda, Knebelsberger & Schrödl, 2010
                                                                      Status: extant
                                                                         Order Cephalaspidea Fischer, 1883
                                                                        Status: extant
                                                                           1 Superfamily Diaphanoidea Odhner, 1914 (1857)
                                                                          Status: extant
                                                                           2 Superfamily Bulloidea Gray, 1827
                                                                          Status: extant
                                                                           3 Superfamily Haminoeoidea Pilsbry, 1895
                                                                          Distribution: Pacific; Status: extant
                                                                           4 Superfamily Philinoidea Gray, 1850 (1815)
                                                                          Status: extant

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Last updated: 21 Sep 2025