Conosphaeridium tubulosum
From dinoflaj3
"tubulosum" Cookson and Eisenack, 1969, p.5,7, pl.2, figs.D–F. Holotype: Cookson and Eisenack, 1969, pl.2, fig.E. NOW Kleithriasphaeridium. Originally Conosphaeridium, subsequently (and now) Kleithriasphaeridium. Age: Albian–Cenomanian.
Parent: Conosphaeridium