Phanerodinium opacum

"opacum" (Brideaux, 1971, p.76-77, pl.21, figs.19-22; text-figs.7d-e) Below, 1987b, p.38.  Holotype: Brideaux, 1971, pl.21, figs.21-22; text-figs.7d-e.  NOW Microdinium.  Originally (and now) Microdinium, subsequently Phanerodinium.  Taxonomic junior synonym: Microdinium spinosum, according to Below (1987b, p.38).  Age: Mid-Late Albian.

Parent: Phanerodinium