Cleistosphaeridium huguoniotii var. pertusum
From dinoflaj3
"var. pertusum" Davey, 1969a, p.156–157, pl.7, figs.6–7,9. Holotype: Davey, 1969a, pl.7, fig.7. NOW Sepispinula pertusa. Originally Cleistosphaeridium huguoniotii var. pertusum, subsequently Cleistosphaeridium huguoniotii subsp. pertusum, thirdly Cleistosphaeridium? huguoniotii subsp. pertusum, fourthly Dapsilidinium ambiguum subsp. pertusum, fifthly Sepispinula huguoniotii subsp. pertusa, sixthly (and now) Sepispinula pertusa. Age: late Cenomanian.
Parent: Cleistosphaeridium huguoniotii