Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Unikonta |
| system | Opisthokonta Cavalier-Smith, 1987 |
| kingdom | Fungi Whittaker - fungi |
| divisio | Neocallimastigomycota |
| class | Neocallimastigomycetes |
| order | Neocallimastigales |
| family | Neocallimastigaceae |
| genus | Orpinomyces D.J.S. Barr, H. Kudo, Jakober & K.J. Cheng |
| species | Orpinomyces intercalaris Y.W. Ho |