Dapsilidinium fucosum

"?fucosum" (Valensi, 1955a, p.40; text-fig.2b) Lentin and Williams, 1981, p.69.  Holotype: Valensi, 1955a, text-fig.2b; Fauconnier and Masure, 2004, pl.52, figs.8–11.  NOW Litosphaeridium.  Originally Micrhystridium (Appendix A), subsequently Hystrichosphaeridium, thirdly Polysphaeridium?, fourthly Dapsilidinium?, fifthly (and now) Litosphaeridium.  Questionable assignment: Lentin and Williams (1981, p.69).  Taxonomic junior synonyms (at specific rank): Hystrichosphaeridium tubiferum var. brevispinum and Hystrichosphaeridium (as Litosphaeridium) arundum, both according to Below (1982c, p.29) — however, Lentin and Williams (1985, p.190,227) retained Hystrichosphaeridium tubiferum subsp. brevispinum and Litosphaeridium arundum.  Age: Late Cretaceous.

Parent: Dapsilidinium