Biota | Chromista | Harosa | Rhizaria | Foraminifera | Monothalamea | Allogromiida | Lagynidoidea | Lagynidae | Heterotheca
|  |  |  | d'Orbigny, 1826 | Haeckel, 1862 (as emended by Pawlowski et al., 2013) | Loeblich & Tappan, 1961 | Schultze, 1854 | Schultze, 1854 | Grell, 1988