Callaiosphaeridium trycherium
From dinoflaj2
trycherium Duxbury, 1980, p.114, pl.11, figs.6,9. Holotype: Duxbury, 1980, pl.11, fig.6. Age: Barremian.

Parent: Callaiosphaeridium
trycherium Duxbury, 1980, p.114, pl.11, figs.6,9. Holotype: Duxbury, 1980, pl.11, fig.6. Age: Barremian.