Hystrichosphaeridium dictyophorum

"dictyophorum" Cookson and Eisenack, 1958, p.44, pl.11, fig.14.  Holotype: Cookson and Eisenack, 1958, pl.11, fig.14; Fensome et al., 1993a, fig.1 — p.1125.  NOW Stiphrosphaeridium.  Originally Hystrichosphaeridium, subsequently Oligosphaeridium, thirdly (and now) Stiphrosphaeridium.  Age: Late Jurassic.

Parent: Hystrichosphaeridium