Hystrichosphaeridium arundum
From dinoflaj2
"?arundum" Eisenack and Cookson, 1960, p.8, pl.3, figs.7-9. Emendation: Lucas-Clark, 1984, p.188, as Litosphaeridium arundum. Holotype: Eisenack and Cookson, 1960, pl.3, fig.7; Helby et al., 1987, figs.29J-K. NOW Litosphaeridium. Originally Hystrichosphaeridium, subsequently Hystrichosphaeridium?, thirdly (and now) Litosphaeridium. Taxonomic senior synonym: Micrhystridium (as Dapsilidinium?, now Litosphaeridium) fucosum, according to Below (1982c, p.29) - however, Lentin and Williams (1985, p.227) retained Hystrichosphaeridium (as Litosphaeridium) arundum. Questionable assignment: Davey and Williams (1966b, p.70). Age: Albian.
Parent: Hystrichosphaeridium
