Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Clade neomura Cavalier-Smith, 1987
Domain Eukaryota Chatton, 1925 - eukaryotes
Clade discaria Cavalier-Smith, 2021
Clade dorsates Cavalier-Smith, 2021
Clade podiates Cavalier-Smith, 2012
Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
Kingdom Animalia Linnaeus, 1758 - animals
Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
Subkingdom Bilateria Hatschek, 1888 - bilaterians
Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
Infrakingdom Protostomia Grobben, 1908
Superphylum Spiralia Schleip, 1929
Clade Platytrochozoa Struck, Wey-Fabrizius, Golombek, Hering, Weigert, Bleidorn, Klebow, Iakovenko, Hausdorf, Petersen, Kück, Herlyn & Hankeln 2014
Clade Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
Clade Trochozoa Beklemischev, 1944 - trochozoans
Phylum Annelida Lamarck, 1809 - segmented worms
Class Polychaeta Grube, 1850 - polychaetes
Palpata G.W. Rouse & K. Fauchald, 1997
Canalipalpata G.W. Rouse & K. Fauchald, 1997
Order Spionida Rouse & Fauchald, 1997
Family Spionidaeᵀ Grube, 1850
Genus Aonidella Maciolek, in López-Jamar, 1989
Genus Aonides Claparède, 1864
Genus Apoprionospio Foster, 1969
Genus Aquilaspio Foster, 1971
Genus Aurospio Maciolek, 1981
Genus Australospio Blake & Kudenov, 1978
Genus Boccardia Carazzi, 1893
Genus Carazziella Blake & Kudenov, 1978
Genus Dispio Hartman, 1951
Genus Laonice Malmgren, 1867
Genus Laubieriellus Maciolek, 1981
Genus Lindaspio Blake & Maciolek, 1992
Genus Malacoceros de Quatrefages, 1843
Genus Marenzelleria Mesnil, 1896
Genus Microspio Mesnil, 1896
Genus Nerine Johnston, 1838
Genus Nerinides Mesnil, 1896
Genus Paraprionospio Caullery, 1914
Genus Polybranchia Potts, 1928, nom. illeg.
Genus Polydora Bosc, 1802
Genus Prionospio Malmgren, 1867
Genus Pygospio Claparède, 1863
Genus Rhynchospio Hartman, 1936
Genus Scolecolepis Agassiz, 1846
Genus Scolelepis Blainville, 1828
Genus Spioᵀ Fabricius, 1785
Genus Spiophanes Grube, 1860
Genus Streblospio Webster, 1879
Genus Tripolydora Woodwick, 1964
Genus Xandaros Maciolek, 1981