Neocomian The earliest Cretaceous epoch, followed by the Barremian Age. It is dated at 145.6–131.8 Ma ( Harland et al., 1989) and comprises the Berriasian, Valanginian, and Hauterivian Ages. Some authors restrict their use of Neocomian to just the Berriasian and Valanginian, whilst others extend it to include the Barremian and Aptian.
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Givetian , Givetian 1. An age in the Middle Devonian Epoch preceded by the Eifelian, followed by the Frasnian, and dated at 380.8–377.4 Ma ( Harland et al., 198… Famennian , Famennian 1. The final age in the Devonian Period, preceded by the Frasnian, followed by the Hastarian Age (Carboniferous), and dated at 367–362.5 Ma… Et Al , et al. / ˌet ˈal; ˌet ˈäl/ • abbr. and others (used esp. in referring to academic books or articles that have more than one author): the conclusions… dogger , Dogger 1. An alternative name for the Middle Jurassic Epoch, which is dated at 178.0–157.1 Ma ( Harland et al., 1989). It is preceded by the Lias, fo… Eifelian , Eifelian (Couvinian) 1. An age in the Middle Devonian Epoch preceded by the Emsian, followed by the Givetian, and dated at 386.0–380.8Ma (Harland et… Neogene , Neogene The later of the two periods which comprise the Tertiary sub-Era, preceded by the Palaeogene, followed by the Quaternary, and dated at 23.3–1…
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