Heterosphaeridium heteracanthum subsp. heteracanthum Autonym.
TYPE: Holotype: Deflandre and Cookson, 1955, pl.2, fig.5. HISTORY: Originally Hystrichosphaeridium heteracanthum subsp. heteracanthum, subsequently Heterosphaeridium heteracanthum subsp. heteracanthum, thirdly (and now) Heterosphaeridium? heteracanthum subsp. heteracanthum.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |