"Cleistosphaeridium flexuosum" Davey et al., 1966, p.169, pl.2, fig.5.
EMENDATION: Sarkar and H.P. Singh, 1988, p.39, as Cleistosphaeridium flexuosum. TYPE: Holotype: Davey et al., 1966, pl.2, fig.5. HISTORY: NOW: Downiesphaeridium. Originally Cleistosphaeridium?, subsequently Polysphaeridium?, thirdly Cleistosphaeridium, fourthly (and now) Downiesphaeridium. Questionable assignment: Davey et al. (1966, p.169) - however, Sarkar and H.P. Singh (1988, p.39) included the species in Cleistosphaeridium without question. AGE: Cenomanian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |