Hystrichosphaeridium marginatum
From dinoflaj3
"marginatum" Andreeva, 1973, p.192; text-fig.136. Name not validly published: no description.
Parent: Hystrichosphaeridium
"marginatum" Andreeva, 1973, p.192; text-fig.136. Name not validly published: no description.
Parent: Hystrichosphaeridium