Hystrichosphaeridium? spinipansatum (Merrill, 1895, p.17; text-fig.20) Sarjeant, 1964b, p.175.
TYPE: Holotype: Merrill, 1895, text-fig.20. HISTORY: Originally Geodia? (Appendix A), subsequently Hystrichosphaeridium, thirdly (and now) Hystrichosphaeridium?. Questionable assignment: Stover and Evitt (1978, p.56) as a problematical species. AGE: Early Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |