| author | date | title | journal / publication | Ivanov AV | 1952 | Turbellaria (Acoela) from the southern coast of Sakhalin (in Russian, no English summary) ((Oxyposthia praedator n.gen., n.sp.; Otocelis sachalinensis n.sp.; Convoluta sagittifera n.sp.)) | Trudy Inst Zool Acad Sci USSR 12: 40-132. |
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