Hystrichosphaeridium elegantulum
From dinoflaj2
"elegantulum" Lejeune-Carpentier, 1940, p.B222; text-figs.11-12. Holotype: Lejeune-Carpentier, 1940, text-fig.11; Lejeune-Carpentier and Sarjeant, 1981, pl.4, figs.3-4. Originally Hystrichosphaeridium, subsequently Polysphaeridium? (combination not validly published). Taxonomic senior synonym: Xanthidium tubiferum var. complex (as Hystrichosphaeridium, now Oligosphaeridium) complex, according to Deflandre (1946b, p.111). Age: Turonian-Senonian.
Parent: Hystrichosphaeridium
