Hystrichosphaeridium palmatum subsp. palmatum
From dinoflaj2
"subsp. palmatum". Autonym. Holotype: White, 1842, pl.4, fig.12. Name illegitimate: the species name Hystrichosphaeridium palmatum is illegitimate. Originally Hystrichosphaeridium palmatum subsp. palmatum (combination illegitimate), subsequently Hystrichosphaeridium duplum subsp. duplum (name illegitimate). Parent: Hystrichosphaeridium palmatum