 Natura - nature | | Mundus Plinius - physical world | | Naturalia | | Biota | | Domain Eukaryota - eukaryotes | | Kingdom Animalia C. Linnaeus, 1758 - animals | | Subkingdom Bilateria (Hatschek, 1888) Cavalier-Smith, 1983 - bilaterians |  Branch Protostomia Grobben, 1908 - protostomes |  [Phylum †Agmata E.L. Yochelson, 1977] see Order Volborthellida | | Infrakingdom Platyzoa Cavalier-Smith, 1998 | | Infrakingdom
"Lophotrochozoa"
- lophotrochozoans | | [Superphylum
"Lophotrochozoa"
] see Infrakingdom Lophotrochozoa | | [Infrakingdom Lophozoa Cavalier-Smith, 1998] see Infrakingdom Lophotrochozoa | | Infrakingdom Ecdysozoa Aguinaldo et al., 1997 ex Cavalier-Smith, 1998 - ecdysozoans | | [Superphylum
"Ecdysozoa"
] see Infrakingdom Ecdysozoa Aguinaldo et al., 1997 ex Cavalier-Smith, 1998 | | [Infrakingdom Chaetognathi (Leuckart, 1854) Cavalier-Smith, 1998] see Infrakingdom Ecdysozoa Aguinaldo et al., 1997 ex Cavalier-Smith, 1998 |
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