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Apteodinium cornutum
From Fensome et al., 2019:
Apteodinium cornutum Cookson and Eisenack, 1974, p.51, pl.24, fig.9. Holotype: Cookson and Eisenack, 1974, pl.24, fig.9; Jan du Chêne et al., 1986a, pl.14, figs.1–4. Age: Paleocene.
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Original description: [Cookson and Eisenack, 1974, p. 51]: (Translation: LPP)
Diagnosis:
Outline pear-shaped, epitract arched and pointed, hypotract hemisphaerically rounded. Epitract with relatively long, solid and pointed apical horn. Girdle furrow wide, bordered by low ridges, two widestanding tips (antapical horns) at the antapex, shell relatively thick (2 µm) and granulate.
Dimensions:
Shell c. 84x70 µm, horn c. 15 µm, width of girdle c. 10 µm, High of ridges c. 1 µm. One specimen.
Apteodinium cornutum Cookson and Eisenack, 1974, p.51, pl.24, fig.9. Holotype: Cookson and Eisenack, 1974, pl.24, fig.9; Jan du Chêne et al., 1986a, pl.14, figs.1–4. Age: Paleocene.
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Original description: [Cookson and Eisenack, 1974, p. 51]: (Translation: LPP)
Diagnosis:
Outline pear-shaped, epitract arched and pointed, hypotract hemisphaerically rounded. Epitract with relatively long, solid and pointed apical horn. Girdle furrow wide, bordered by low ridges, two widestanding tips (antapical horns) at the antapex, shell relatively thick (2 µm) and granulate.
Dimensions:
Shell c. 84x70 µm, horn c. 15 µm, width of girdle c. 10 µm, High of ridges c. 1 µm. One specimen.