Downiesphaeridium flexuosum
From dinoflaj2
flexuosum (Davey et al., 1966, p.169, pl.2, fig.5) Islam, 1993, p.84. Holotype: Davey et al., 1966, pl.2, fig.5; Fauconnier and Masure, 2004, pl.23, fig.8. Originally Cleistosphaeridium?, subsequently Polysphaeridium?, thirdly Cleistosphaeridium, fourthly (and now) Downiesphaeridium. Age: Cenomanian.
Parent: Downiesphaeridium
