"Hystrichosphaeridium danicum" (W. Wetzel, 1952, p.396-397, pl.A, figs.5-6; text-fig.8) W. Wetzel, 1955, p.34.
EMENDATION: Sarjeant, 1984c, p.129-130, as Achomosphaera danica. TYPE: Holotype: W. Wetzel, 1952, pl.A, fig.6. HISTORY: NOW: Achomosphaera. Originally Areoligera, subsequently Baltisphaeridium (Appendix A), thirdly Hystrichosphaeridium, fourthly Cleistosphaeridium?, fifthly (and now) Achomosphaera. SYNONYM(S): Taxonomic senior synonym: Areoligera senonensis, according to Lejeune-Carpentier and Sarjeant (1981, p.15) - however, Sarjeant (1984c, p.130) retained Hystrichosphaeridium (as Achomosphaera) danicum. AGE: Paleocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |