"Hystrichosphaeridium isocalamum" Deflandre and Cookson, 1955, p.272, pl.2, figs.7-8; text-figs.30-35.
TYPE: Holotype: Deflandre and Cookson, 1955, pl.2, figs.7-8. HISTORY: NOW: Tanyosphaeridium. Originally Hystrichosphaeridium, subsequently (and now) Tanyosphaeridium. AGE: Early Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |