Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
[[crown] organisms]
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
[Domain Eucaryota]
[Subdomain Amoebota Doweld (2001)]
[Kingdom Hydrobiota Doweld, 2001]
[Subkingdom Hydrobiotinaᵀ Doweld, 2001 [monotypic]]
[Phylum Hydrozoaᵀ Owen, 1843]
[Class Hydrateaᵀ Doweld, 2001]