From Fensome et al., 2019:
Mancodinium semitabulatum ssp. fossatum (Below, 1987b, p.27, pl.6, figs.1–10) Lentin and Williams, 1989, p.234. Holotype: Below, 1987b, pl.6, figs.7–8,10; Fensome et al., 1993a, figs.5–6,8 — p.1201; fig.2 — p.1319. Originally Mancodinium semitabulatum var. fossatum, subsequently (and now) Mancodinium semitabulatum subsp. fossatum. Age: late Pliensbachian.

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Locus typicus: Marloffstein clay pit, Franconia, Germany
Stratum typicum: Late Pliensbachian
Translation Below, 1987: Fensome et al., 1993

Original Description: Below, 1987, p.27: Mancodinium semitabulatum var. fossatum
A variant of Mancodinium semitabulatum with a scabrate surface and flat-bottomed pits of various sizes, usually diffusely scattered or arranged in rows along fines; short gemmae or tubercles present in intraareate groups or peniareate rows, or reduced.
Size: Holotype: length (without apical area owing to archeopyle development) 45 µm, breadth 45 µm, thickness 43 µm.