organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom [Animalia] Linnaeus, 1758 - animals
     †Enigmatic animals Andrews, 1970
       [Genus †Cambrotentacus Zhang & Shu, 2001]
         1 [†Cambrotentacus sanwuia Zhang & Shu, in Zhang et al., 2001] see Cotyledion tylodes Luo & Hu, in Luo et al., 1999