Difference between revisions of "Hystrichosphaeridium spinipansatum"

Latest revision as of 00:19, 1 September 2015

?spinipansatum (Merrill, 1895, p.17; text-fig.20) Sarjeant, 1964b, p.175.  Holotype: Merrill, 1895, text-fig.20.  Originally Geodia? (Appendix A), subsequently Hystrichosphaeridium, thirdly (and now) Hystrichosphaeridium?.  Questionable assignment: Stover and Evitt (1978, p.56) as a problematic species.  Age: Early Cretaceous.