Spirostomum ambiguum
Spirostomum ambiguum
Biota | Chromista | Harosa | Alveolata | Ciliophora | Postciliodesmatophora | Heterotrichea | Heterotrichida | Spirostomidae | Spirostomum | Spirostomum ambiguum
|  |  | Cavalier-Smith |  | Gerassimova & Seravin, 1976 | Stein, 1859 | Stein, 1859 | Stein, 1867 | Ehrenberg, 1834 | (Müller, 1786) Ehrenberg, 1835