Hystrichosphaeridium cylindratum Brideaux 1971
From dinoflaj2
"cylindratum" Brideaux, 1971, p.91-92, pl.26, figs.69-70; pl.27, fig.74; text-fig.9c. Holotype: Brideaux, 1971, pl.26, figs. 69-70; text-fig.9c. Name illegitimate - senior homonym: Hystrichosphaeridium cylindratum Morgenroth, 1966a. Substitute name: Hystrichosphaeridium brideauxii. Originally Hystrichosphaeridium cylindratum (name illegitimate), subsequently Hystrichosphaeridium brideauxii. Taxonomic senior synonym: Hystrichosphaeridium (now Florentinia) cooksoniae, according to Harker and Sarjeant (1975, p.225-226). Age: Albian.
Parent: Hystrichosphaeridium