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Ciliosphaeridium
From Williams et al., 2017:
[Ciliosphaeridium, Grigorovich, 1971, p. 94
Type species: Ciliosphaeridium cingulatum, Grigorovich, 1971 (pl.2, fig.1)]
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Original description: [Grigorovich, 1971]: (Translation: Fensome, 1991, p. 131):
Diagnosis:
Shell oval, compressed along the long axis. Wall two-layered. Outer wall with many short processes which are distributed randomly on the surface. The inner wall [?] is grainy. The transverse furrow is broad, dividing the theca equally.
[Ciliosphaeridium, Grigorovich, 1971, p. 94
Type species: Ciliosphaeridium cingulatum, Grigorovich, 1971 (pl.2, fig.1)]
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Original description: [Grigorovich, 1971]: (Translation: Fensome, 1991, p. 131):
Diagnosis:
Shell oval, compressed along the long axis. Wall two-layered. Outer wall with many short processes which are distributed randomly on the surface. The inner wall [?] is grainy. The transverse furrow is broad, dividing the theca equally.