Impletosphaeridium? spiralisetum (de Wit, 1943, p.383; text-figs.2,11) Islam, 1993, p.87.
TYPE: Holotype: de Wit, 1943; text-figs.2,11, lost according to R. de Wit (personal communication to GLW). HISTORY: Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Cleistosphaeridium?, fourthly (and now) Impletosphaeridium. Questionable assignment: Islam (1993, p.87). AGE: Late Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |