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Impagidinium setcheyense
From Fensome et al., 2019:
Impagidinium setcheyense (Sarjeant, 1976c, p.4–6, pl.1, fig.7; text-fig.1) Courtinat, 1989, p.205. Holotype: Sarjeant, 1976c, pl.1,
fig.7; Jan du Chêne et al., 1986a, pl.74, figs.1–4. Originally Gonyaulacysta, subsequently Leptodinium, thirdly Rhynchodiniopsis, fourthly (and now) Impagidinium. Age: Kimmeridgian.
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Translation Courtinat, 1989: LPP
Remark: Courtinat, 1989, p.205
The sulcus presents an S-type organisation; in the ventral area the arrangement is type A/ai. These two characteristics correspond to the genus Impagidinium.
Impagidinium setcheyense (Sarjeant, 1976c, p.4–6, pl.1, fig.7; text-fig.1) Courtinat, 1989, p.205. Holotype: Sarjeant, 1976c, pl.1,
fig.7; Jan du Chêne et al., 1986a, pl.74, figs.1–4. Originally Gonyaulacysta, subsequently Leptodinium, thirdly Rhynchodiniopsis, fourthly (and now) Impagidinium. Age: Kimmeridgian.
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Translation Courtinat, 1989: LPP
Remark: Courtinat, 1989, p.205
The sulcus presents an S-type organisation; in the ventral area the arrangement is type A/ai. These two characteristics correspond to the genus Impagidinium.