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Sumatradinium cephalum
Sumatradinium "cephalum" (Kar, 1979, p.34, pl.4, figs.66a–b,67) Jain, 1980, p.141.
Originally Polysphaeridium, subsequently Sumatradinium, thirdly Batiacasphaera?.
Taxonomic senior synonym: Operculodinium placitum, according to Jain and Garg (1991, p.81).
Holotype: Kar, 1979, pl.4, figs.66a–b.
Age: Oligocene.
Originally Polysphaeridium, subsequently Sumatradinium, thirdly Batiacasphaera?.
Taxonomic senior synonym: Operculodinium placitum, according to Jain and Garg (1991, p.81).
Holotype: Kar, 1979, pl.4, figs.66a–b.
Age: Oligocene.