Polysphaeridium flexuosum
From dinoflaj2
"?flexuosum" (Davey et al., 1966, p.169, pl.2, fig.5) Below, 1982c, p.28. 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: Below (1982c, p.28). Age: Cenomanian.
Parent: Polysphaeridium
