"Hystrichosphaeridium fucosum" (Valensi, 1955a, p.40; text-fig.2b) Downie and Sarjeant, 1965, p.120.
TYPE: Holotype: Valensi, 1955a, text-fig.2b. HISTORY: NOW: Dapsilidinium?. Originally Micrhystridium (Appendix A), subsequently Hystrichosphaeridium, thirdly Polysphaeridium?, fourthly (and now) Dapsilidinium?. SYNONYM(S): Taxonomic junior synonyms: Hystrichosphaeridium tubiferum var. brevispinum, according to Below (1982c, p.29) - however, Lentin and Williams (1985, p.190) retained Hystrichosphaeridium tubiferum subsp. brevispinum; Hystrichosphaeridium (as Litosphaeridium) arundum, according to Below (1982c, p.29) - however, Lentin and Williams (1985, p.227) retained Litosphaeridium arundum. AGE: Late Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |