Exochosphaeridium? spinosum (White, 1842, p.37, pl.4, fig.6) Davey 1969a, p.166.
TYPE: Holotype: White, 1842, pl.4, fig.6. HISTORY: Originally Xanthidium (Appendix A), subsequently Hystrichosphaeridium, thirdly Baltisphaeridium (Appendix A), fourthly Cordosphaeridium (combination not validly published), fifthly Exochosphaeridium, sixthly (and now) Exochosphaeridium?. Questionable assignment: Stover and Evitt (1978, p.154). AGE: Late Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |