| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta |
| Cabozoa | |
| kingdom | Rhizaria Cavalier-Smith, 2002 |
| phylum | Foraminifera d'Orbigny, 1826 |
| class | Rotalidia |
| order | Rotaliida Delage & Hérouard, 1896 |
| superfamily | Chilostomellacea Brady, 1881 |
| family | Osangulariidae Loeblich & Tappan, 1964 |
| genus | Charltonina Bermúdez, 1952 † |