(13.viii.1962, Russian). Translation as: Hydroida Thecaphora collected in the Antarctic and Subantarctic by the Soviet Antarctic Expedition with the R.V. 'Ob'. In: Biological results of the Soviet Antarctic Expedition, 1955-1958, 1: 68-106, figs. 1-22, tabs. 1-8, map. ( Israel Program for Scientific Translations, Jerusalem, 1966; cat. no. 1500). Descriptors: Halecium incertus, Acryptolaria corniformis, Sertularella erecta, Symplectoscyphus erectus, Staurotheca amphorophora