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
Phylum Nemertea Schultze, 1851 - ribbon worms
Neonemertea Thollesson & Norenburg, 2003
Class Enopla Schultze, 1851
Order Hoplonemertea Hubrecht, 1879
Suborder Monostilifera Brinkmann, 1917
Distromatonemertea Thollesson & Norenburg, 2003
Family Tetrastemmatidae Hubrecht, 1879
01 Genus Africanemertes Stiasny-Wijnhoff, 1942
02 Genus Algonemertes Corrêa, 1954 [monotypic]
03 Genus Amphinemertes Coe, 1940 [monotypic]
04 Genus Arenonemertes Friedrich, 1933
05 Genus Austroprostoma Stiasny-Wijnhoff, 1942 [monotypic]
06 Genus Itanemertes Corrêa, 1957 [monotypic]
07 Genus Nemertellopsis Friedrich, 1935
08 Genus Prostoma Dugès, 1828
09 Genus Prostomatella Friedrich, 1935
10 Genus Prostomiopsis Friedrich, 1936 [monotypic]
11 Genus Sacconemertella Iwata, 1970 [monotypic]
12 Genus Sacconemertes Karling, 1933 [monotypic]
13 Genus Sacconemertopsis Iwata, 1970 [monotypic]
14 Genus Nemertellina Friedrich, 1935
15.1 Genus Tetrastemmaᵀ Ehrenberg, 1831
15.2 Genus Oerstedia Quatrefages, 1846
15.3 Genus Antarctonemertes Friedrich, 1955