Description
Marine centroheliozoa with a periplast of only tangential , solid , siliceous , straight , or curved rods. Radial elements are absent. Monotypic . Reference : Mikrjukov (1996a).
Type species
Parasphaerastrum marina (Ostenfeld , 1904) Mikrjukov , 1996
Figures
Raw text
Marine centroheliozoa with a periplast of only tangential , solid , siliceous , straight , or curved rods. Radial elements are absent. Monotypic . Reference : Mikrjukov (1996a).