Hystrichosphaeridium? collum Tasch in Tasch et al., 1964, p.194, pl.2, figs.7,16.
TYPE: Holotype: Tasch et al., 1964, pl.2, figs.7,16. HISTORY: Originally Hystrichosphaeridium, subsequently (and now) Hystrichosphaeridium?. Questionable assignment: Stover and Evitt (1978, p.56), as a problematical species. AGE: Albian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |