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Filisphaeridium fimbriatum
Filisphaeridium fimbriatum (White, 1842, p.36, pl.4, div.3, fig.3) Sarjeant and Stancliffe, 1994, p.29.
Originally Xanthidium, subsequently Hystrichosphaeridium, thirdly Baltisphaeridium, fourthly Comasphaeridium, fifthly (and now) Filisphaeridium.
Holotype: White, 1842, pl.4, div.3, fig.3; Sarjeant, 1991, fig.4, no.2.
Age: Late Cretaceous.
Originally Xanthidium, subsequently Hystrichosphaeridium, thirdly Baltisphaeridium, fourthly Comasphaeridium, fifthly (and now) Filisphaeridium.
Holotype: White, 1842, pl.4, div.3, fig.3; Sarjeant, 1991, fig.4, no.2.
Age: Late Cretaceous.