Opisthokonta Cavalier-Smith 1987, nom. cl. inval. see Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] Holozoa Lang, O'Kelly, Nerad, Gray & Burger 2002 [Adl et al. 2012] see Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002 Mesomycetozoea see Class Mesomycetozoea Ajello & Mendoza, 2000