root › cellular organisms › Eukaryota › Opisthokonta › Fungi › Fungi incertae sedis › Chytridiomycota › Chytridiomycota incertae sedis › Neocallimastigomycetes › Neocallimastigales › Neocallimastigaceae › Piromyces › unclassified Piromyces › Piromyces sp. E2