Hystrichosphaeridium xanthiopyxides var. xanthiopyxides
From dinoflaj3
"var. xanthiopyxides". Autonym. Holotype: Wetzel, 1933b, pl.4, fig.25; Morgenroth, 1968, pl.48, fig.5; Sarjeant, 1985b, pl.3, figs.2–3. Now redundant.
Parent: Hystrichosphaeridium xanthiopyxides