"Baltisphaeridium fimbriatum" (White, 1842, p.36, pl.4, div.3, fig.3) Downie and Sarjeant, 1965, p.91.
TYPE: Holotype: White, 1842, pl.4, div.3, fig.3; Sarjeant, 1991, fig.4.2. HISTORY: NOW: Filisphaeridium (Appendix A). Originally Xanthidium (Appendix A), subsequently Hystrichosphaeridium, thirdly Baltisphaeridium, fourthly Comasphaeridium (Appendix A), fifthly (and now) Filisphaeridium (Appendix A). COMMENTS: This combination was not validly published in Sarjeant (1959, p.339) and Downie and Sarjeant (1963, p.91), since these authors did not fully reference the basionym. AGE: Late Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |