Cleistosphaeridium flexuosum

"flexuosum" Davey et al., 1966, p.169, pl.2, fig.5.  Emendation: Sarkar and Singh, 1988, p.39, as Cleistosphaeridium flexuosum.  Holotype: Davey et al., 1966, pl.2, fig.5; Fauconnier and Masure, 2004, pl.23, fig.8.  NOW Downiesphaeridium.  Originally Cleistosphaeridium?, subsequently Polysphaeridium?, thirdly Cleistosphaeridium, fourthly (and now) Downiesphaeridium.  Questionable assignment: Davey et al. (1966, p.169) — however, Sarkar and Singh (1988, p.39) included the species in Cleistosphaeridium without question.  Age: Cenomanian.

Parent: Cleistosphaeridium