Hystrichosphaeridium? hillii (Merrill, 1895, p.17; text-fig.21) Sarjeant, 1964b, p.175.
TYPE: Holotype: Merrill, 1895, text-fig.21. HISTORY: Originally Geodia (Appendix A), subsequently Hystrichosphaeridium, thirdly (and now) Hystrichosphaeridium?. Questionable assignment: Davey and Williams (1966b, p.70). AGE: Early Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |