Hystrichosphaeridium inodes subsp. gracile forma gracile
From dinoflaj3
"forma gracile". Autonym. Holotype: Eisenack, 1954b, pl.10, fig.5. NOW Cordosphaeridium gracile forma gracile. Originally Hystrichosphaeridium inodes subsp. gracile forma gracile, subsequently (and now) Cordosphaeridium gracile forma gracile.
Parent: Hystrichosphaeridium inodes subsp. gracile