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 | Bryophyta A. Braun - mosses |
| subdivisio | Bryophytina Engler |
| class | Tetraphidopsida Goffinet et W.R. Buck |
| order | Tetraphidales Cavers |
| family | Tetraphidaceae Schimp. |
| genus | Tetrodontium Schwaegr. - tetrodontium moss |
| species | Tetrodontium ovatum (Funck) Schwägr. - Ovate Tetrodontium Moss |