In the
geologic time scale, the 'Zanclean' (also known as 'Tabianian', 'Dacian') is a
stage which makes up the 'Early
Pliocene' or 'Lower Pliocene'
subepoch. It spans the time between 5.332 ± 0.005
Ma and 3.6 ± 0.005 Ma (million years ago). It is preceded by the
Messinian stage of the
Miocene epoch, and followed by the
Piacenzian stage of the Late Pliocene.
Generally in North America, the Zanclean corresponds to late Hemphillian to mid-
Blancan stages. In California, the Zanclean roughly corresponds to the mid-Delmontian.
In fiction
In the
Transformers series, it is said that the Transformers crash landed four million years prior to the year
1984 AD, or 3998016 BC.
References
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GeoWhen Database - Zanclean