| 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 | Lagenida Delage & Hérouard, 1896 |
| superfamily | Nodosariacea Ehrenberg, 1838 |
| family | Polymorphinidae d'Orbigny, 1839 |
| subfamily | Polymorphininae d'Orbigny, 1839 |
| genus | Pyrulina d'Orbigny, 1839 |