"Baltisphaeridium spinosum" (White, 1842, p.37, pl.4, fig.6) Downie and Sarjeant, 1965, p.96.
TYPE: Holotype: White, 1842, pl.4, fig.6. HISTORY: NOW: Exochosphaeridium?. Originally Xanthidium (Appendix A), subsequently Hystrichosphaeridium, thirdly Baltisphaeridium, fourthly Cordosphaeridium (combination not validly published), fifthly Exochosphaeridium, sixthly (and now) Exochosphaeridium?. JUNIOR HOMONYM: Baltisphaeridium spinosum Rasul, 1979, an acritarch species. COMMENTS: This combination was not validly published in Downie and Sarjeant (1963, p.92), since these authors did not fully reference the basionym. AGE: Late Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |