"Hystrichosphaeridium perovatum" Tasch in Tasch et al., 1964, p.194, pl.3, fig.13.
TYPE: Holotype: Tasch et al., 1964, pl.3, fig.13. HISTORY: Originally Hystrichosphaeridium, subsequently Polysphaeridium?. SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (now Kiokansium) unituberculatum, according to Stover and Evitt (1978, p.267). AGE: Albian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |