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Apteodinium cribrosum
From Fensome et al., 2019:
Apteodinium? cribrosum Cookson and Eisenack, 1968, p.112, fig.1L. Holotype: Cookson and Eisenack, 1968, fig.1L; Jan du Chêne et al., 1986a, pl.14, fig.5. Originally Apteodinium, subsequently (and now) Apteodinium?. Questionable
assignment: Stover and Evitt (1978, p.142). Age: Santonian or early Campanian.
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Original description: [Cookson and Eisenack, 1968, p. 112]:
Diagnosis:
Shell pear-shaped, divided by an indistinct girdle into a rounded hypotheca and a narrower epitheca with a short, blunt apical horn. The girdle though indistinct is c. 6 µm wide. The wall of the shell is relatively thick, especially in the antapical region, and seems to be perforated by small, densely arranged pores which give it a coarsely granular appearance in spite of its relatively smooth surface.
Dimensions:
Holotype - 62 µm long, 53 µm wide; Paratype - 85 µm long, 60 µm wide.
Apteodinium? cribrosum Cookson and Eisenack, 1968, p.112, fig.1L. Holotype: Cookson and Eisenack, 1968, fig.1L; Jan du Chêne et al., 1986a, pl.14, fig.5. Originally Apteodinium, subsequently (and now) Apteodinium?. Questionable
assignment: Stover and Evitt (1978, p.142). Age: Santonian or early Campanian.
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Original description: [Cookson and Eisenack, 1968, p. 112]:
Diagnosis:
Shell pear-shaped, divided by an indistinct girdle into a rounded hypotheca and a narrower epitheca with a short, blunt apical horn. The girdle though indistinct is c. 6 µm wide. The wall of the shell is relatively thick, especially in the antapical region, and seems to be perforated by small, densely arranged pores which give it a coarsely granular appearance in spite of its relatively smooth surface.
Dimensions:
Holotype - 62 µm long, 53 µm wide; Paratype - 85 µm long, 60 µm wide.