Heterosphaeridium heteracanthum subsp. sparsiprocessum (Varma and Dangwal, 1964, p.64, pl.1, fig.7) Eisenack and Kjellström, 1972, p.453.
TYPE: Holotype: Varma and Dangwal, 1964, pl.1, fig.7. HISTORY: Originally Hystrichosphaeridium heteracanthum subsp. sparsiprocessum, subsequently (and now) Heterosphaeridium heteracanthum subsp. sparsiprocessum, thirdly (and now) Heterosphaeridium? heteracanthum subsp. sparsiprocessum. AGE: Eocene-Oligocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |