Exochosphaeridium spinosum var. deflandrei (Lejeune-Carpentier, 1941) Davey, 1969

Now Fibrocysta? deflandrei. Originally Hystrichosphaeridium spinosum var. deflandrei, subsequently Baltisphaeridium spinosum var. deflandrei, thirdly Exochosphaeridium spinosum var. deflandrei, fourthly Exochosphaeridium spinosum ssp. deflandrei, fifthly Exochosphaeridium? spinosum ssp. deflandrei, sixthly (and now) Fibrocysta? deflandrei.
Holotype: Lejeune-Carpentier, 1941, fig.6; Lejeune-Carpentier and Sarjeant, 1981, pl.4, figs.5-6; text-fig.8
Age: Late Cretaceous