Cannosphaeropsis reticulensis, Pastiels, 1948

Now Nematosphaeropsis. Originally Cannosphaeropsis, subsequently Adnatosphaeridium, thirdly (and now) Nematosphaeropsis.

Holotype: unrecognizable, according to Sarjeant, 1986
Lectotype: Pastiels, 1948, pl.5, fig.10; designated by Sarjeant, 1986.
Age: Early Eocene