 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 |  Class †Radiocyatha Debrenne et al., 1970, incertae sedis |  Genus †Blastasteria Debrenne et al., 1973 | | Genus †Girphanovella Zhuravleva, in Zhuravleva et al., 1967 | | Genus †Gonamispongia Korshunov, 1968 | | Genus †Kuraya Romanenko, 1968 | | Genus †Radiocyathus™
Okulitch, 1937, nom. nov. | | Genus †Uranosphaera Bedford & Bedford, 1934 |
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