Eukaryota | Chromista | Harosa | Heterokonta | Oomycota | Peronosporea | Myzocytiopsidales | Eurychasmataceae | Eurychasmidium
COL:CS5HF | COL:C | COL:D3MRQ | COL:D3MRV | COL:5K | COL:G3 | COL:QK7P4 | COL:9Z6 | COL:4GQC
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  |  |  |  | M.W. Dick, 2001 | H.E.Petersen, 1905 | Sparrow, 1936