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 Annelida Lamarck, 1809 - segmented worms
Class Clitellata Michaelsen, 1919
Subclass Hirudinida
Order Rhynchobdellida Blanchard, 1894
Family Glossiphoniidae Vaillant, 1890
Subfamily Glossiphoniinaeᵀ Johnson, 1816
Genus Placobdella Blanchard, 1893
01.1 Placobdella cryptobranchii (Johnson & Klemm, 1977)
01.2 Placobdella michiganensis (Sawyer, 1972)
01.3 Placobdella phalera (Graf, 1899)
01.4 Placobdella picta (Verrill, 1872)
02 Placobdella ali Hughes & Siddall, 2007
03 Placobdella appalachiensis Moser & Hopkins, 2014
04 Placobdella biannulata (Moore, 1900)
05 Placobdella bistriata Pinto, 1920
06 Placobdella burresonae Siddall & Bowerman, 2006
07 Placobdella hollensis (Whitman, 1892)
08 Placobdella kwetlumye Oceguera-Figueroa, Kvist, Watson, Sankar, Overstreet & Siddall, 2010
09 Placobdella mexicana Moore, 1898
10 Placobdella montifera (Moore, 1906)
11 Placobdella multilineata Moore, 1953
12 Placobdella nuchalis Sawyer & Shelley, 1976
13 Placobdella ornata (Verrill, 1872)
14 Placobdella papillifera (Verrill, 1872)
15 Placobdella parasitica (Say, 1824)
16 Placobdella pediculata Hemingway, 1908
17 Placobdella sophieae Oceguera-Figueroa, Kvist, Watson, Sankar, Overstreet & Siddall, 2010
18 Placobdella translucens Sawyer & Shelley, 1976