Micrhystridium fucosum Appendix A
From dinoflaj2
"fucosum" Valensi, 1955a, p.40; text-fig.2b. Holotype: Valensi, 1955a, text-fig.2b; Fauconnier and Masure, 2004, pl.52, figs.8-11. NOW Litosphaeridium. Originally Micrhystridium, subsequently Hystrichosphaeridium, thirdly Polysphaeridium?, fourthly Dapsilidinium?, fifthly (and now) Litosphaeridium. Taxonomic junior synonyms (at specific rank): Hystrichosphaeridium tubiferum subsp. brevispinum, according to Below (1982c, p.29) - however, Lentin and Williams (1985, p.190) retained Hystrichosphaeridium tubiferum subsp. brevispinum; Hystrichosphaeridium (as and now Litosphaeridium) arundum, according to Below (1982c, p.29) - however, Lentin and Williams (1985, p.227) retained Litosphaeridium arundum. Age: Late Cretaceous.
Parent: Micrhystridium
