Oligosphaeridium diastema

"diastema" Singh, 1971, p.337, pl.55, figs.4–5; pl.56, figs.1–2.  Holotype: Singh, 1971, pl.55, fig.4.  Taxonomic senior synonym: Oligosphaeridium totum, according to Harker and Sarjeant (1975, p.226) and Brideaux and McIntyre (1975, p.29).  Fauconnier and Cornu in Fauconnier and Masure (2004, p.403) listed this as a problematic species but apparently accepted the synonymy cited above.  N.I.A.  Age: late Albian.

Parent: Oligosphaeridium