"Cleistosphaeridium? polyacanthum" Gitmez, 1970, p.284-286, pl.12, fig.10; text-fig.22.
TYPE: Holotype: Gitmez, 1970, pl.12, fig.10; text-fig.22b. HISTORY: NOW: Downiesphaeridium. Originally Cleistosphaeridium, subsequently Cleistosphaeridium?, thirdly (and now) Downiesphaeridium. Questionable assignment: Stover and Evitt (1978, p.31). SYNONYM(S): Taxonomic senior synonym: Baltisphaeridium (as Cleistosphaeridium) iaculigerum, according to Brenner (1988, p.42) - however, Islam (1993, p.84) retained Cleistosphaeridium? (as Downiesphaeridium) polyacanthum. AGE: Early Kimmeridgian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |