Position in a system
species
Protopteridium hostimense Krejčí †
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta - bikonts |
| Corticata | |
| Archaeplastida | |
| kingdom | Plantae Haeckel - plants |
| divisio | Progymnospermophyta Bold et al. † |
| class | Progymnospermopsida Beck † |
| order | Aneurophytales Kräusel † |
| family | Aneurophytaceae Ananiev † |
| genus | Protopteridium Krejčí † |
| species | Protopteridium hostimense Krejčí † |