Downiesphaeridium flexuosum (Davey et al., 1966, p.169, pl.2, fig.5) Islam, 1993, p.84.
TYPE: Holotype: Davey et al., 1966, pl.2, fig.5. HISTORY: Originally Cleistosphaeridium?, subsequently Polysphaeridium?, thirdly Cleistosphaeridium, fourthly (and now) Downiesphaeridium. AGE: Cenomanian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |