Diphylleida

Superregnum: Eukaryota
Regnum: Protozoa
Subregnum: Sarcomastigota
Phylum: Sulcozoa
Subphylum: Varisulca
Classis: Diphyllatea
Ordo:
Familiae: ?Diphylleidae – Collodictyaceae – Sulcomonadidae

Diphylleida Cavalier-Smith, 1993

• Diphylleiida Cavalier-Smith, 2002, (orth. var.)

• Cavalier-Smith, T. 2003. The excavate protozoan phyla Metamonada Grassé emend. (Anaeromonadea, Parabasalia, Carpediemonas, Eopharyngia) and Loukozoa emend. (Jakobea, Malawimonas): their evolutionary affinities and new higher taxa. International Journal of Systematic and Evolutionary Microbiology 53: 1741–1758. DOI: 10.1099/ijs.0.02548-0 Reference page. 
• Cavalier-Smith, T. 2003. Protist phylogeny and the high-level classification of Protozoa. European Journal of Protistology 39: 338–348. DOI: 10.1078/0932-4739-00002 Reference page. 
• Ruggiero, M.A., Gordon, D.P., Orrell, T.M., Bailly, N., Bourgoin, T., Brusca, R.C., Cavalier-Smith, T., Guiry, M.D. & Kirk, P.M. 2015. A Higher Level Classification of All Living Organisms. PLoS ONE 10(4): e0119248 DOI: 10.1371/journal.pone.0119248 . [Correction in 10(6): e0130114 DOI: 10.1371/journal.pone.0130114 .] Reference page. 

• Diphylleida in the World Register of Marine Species

From Kingdom Protozoa and its 18 phyla

In Class Heteromitea, Subclass Anisomonadia
Order Cavalier-Smith, 1993