Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta - bikonts |
| Corticata | |
| Archaeplastida | |
| kingdom | Plantae Haeckel - plants |
| divisio | Cycadophyta Bessey |
| class | Cycadopsida Brong - cycads |
| subclass | Cycadidae Pax |
| order | Cycadales Pers. ex Bercht. et J. Presl |
| family | Cycadaceae Pers. |
| subfamily | Cycadoideae |
| genus | Cycas L. - cycad |
| species | Cycas arnhemica K.D. Hill |
| subspecies | Cycas arnhemica subsp. arnhemica |