"Baltisphaeridium panniforme" Gerlach, 1961, p.196, pl.28, fig.13.
TYPE: Holotype: Gerlach, 1961, pl.28, fig.13. HISTORY: Originally Baltisphaeridium, subsequently Impletosphaeridium, thirdly Cleistosphaeridium. SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (now Systematophora) placacanthum, according to Sarjeant (1984b, p.86-87). AGE: mid Oligocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |