Spirostomum ambiguum
Spirostomum inflatum
Eukaryota | Chromista | Harosa | Alveolata | Ciliophora | Postciliodesmatophora | Heterotrichea | Heterotrichida | Spirostomidae | Spirostomum | Spirostomum inflatum
COL:CS5HF | COL:C | COL:D3MRQ | COL:LL9PN | COL:3H | COL:S2V6V | COL:6224T | COL:623B6 | COL:GK7 | COL:645V9 | COL:4Z8NM
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  | Cavalier-Smith |  | Gerassimova & Seravin, 1976 | Stein, 1859 | Stein, 1859 | Stein, 1867 | Ehrenberg, 1834 | Kahl, 1932