Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
[crown] 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
[crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
[crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
[crown] 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
Clade Tetraneuralia Wanninger 2009
Phylum Mollusca Linnaeus, 1758 - molluscs
Subphylum Conchifera Gegenbauer, 1878
Ganglioneura Rudophi, 1812
Clade Pleistomollusca Kocot, Cannon, Todt, Citarella, Kohn, Meyer, Santos, Schander, Moroz, Lieb & Halanych 2011
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Orthogastropoda Ponder & Lindberg, 1995
Apogastropoda Salvini-Plawen & Haszprunar, 1987
Superorder Heterobranchia Burmeister, 1837
Euthyneura Spengel, 1881
Tectipleura Schrödl, Jörger, Klussmann-Kolb & Wilson, 2011
Clade Euopisthobranchia Jörger, Stöger, Kano, Fukuda, Knebelsberger & Schrödl, 2010
Order Cephalaspidea Fischer, 1883
Superfamily Philinoidea Gray, 1850 (1815)
Family Cylichnidae Adams & Adams, 1854
01 Genus †Mirascapha Stewart, 1927
02 Genus Acteocina Gray, 1847
03 Genus Cylichnaᵀ Lovén, 1846
04 Genus Cylichnatys Kuroda & Habe, 1952
05 Genus Cylichnella Gabb, 1873
06 Genus Mamillocylichna Nordsieck, 1972
07 Genus Meloscaphander Schepman, 1913
08 Genus Micraenigma Berry, 1953
09 Genus Paracteocina Minichev, 1966
10 Genus Roxania Gray, 1847
11 Genus Scaphander Montfort, 1810
12 Genus Utriculastra Thiele, 1925
13 Genus Utriculopsis Sars, 1870