 Natura - nature | | Mundus Plinius - physical world | | Naturalia - natural bodies | | Biota | | Domain Eukaryota Chatton, 1925 - eukaryotes | | Unikonta | | Opisthokonta Cavalier-Smith, 1987 | | Holozoa | | Kingdom Animalia C. Linnaeus, 1758 - animals | | Epitheliozoa Ax, 1996 | | Eumetazoa Bütschli, 1910 - eumetazoans | | Bilateria Hatschek, 1888 - bilaterians | | Eubilateria Ax, 1987 | | Protostomia Grobben, 1908 | | Ecdysozoa A.M.A. Aguinaldo et al., 1997 - ecdysozoans |  Superphylum Panarthropoda |  Phylum †Lobopodia (Snodgrass, 1938) Hou & Bergström, 1995 [stem] - lobopodians | | Phylum Tardigrada (Spallanzani, 1777) Ramazzotti, 1962 - tardigrades | | Phylum Onychophora Grube, 1853 - onychophorans | | Phylum Arthropoda Latreille, 1829 - arthropods |
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