Nematosphaeropsis pusulosa (Morgenroth, 1966) Stover and Evitt, 1978

Now Trabeculidium. Originally Cannosphaeropsis, subsequently Nematosphaeropsis, thirdly (and now) Trabeculidium.
Duxbury, 1980, transferred this species to Trabeculidium Duxbury, 1980. Stover and Williams, 1987, retained it in Nematosphaeropsis.
Lentin and Williams, 1993, retained the species in Trabeculidium Duxbury, 1980, following Sarjeant, 1989, who maintained that Trabeculidium is a separate genus.

Holotype: Morgenroth, 1966, pl.2, fig.6
Age: Early Oligocene