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., 1989).
2. The name of the corresponding European stage that is zoned on goniatites and spiriferid brachiopods. It is roughly contemporaneous with the lower Condobolinian (Australia) and Erian (N. America).
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., 1989).
2. The name of the corresponding European stage that is zoned on goniatites and spiriferid brachiopods. It is roughly contemporaneous with the lower Condobolinian (Australia) and Erian (N. America).
Givetian
Givetian An age in the Middle Devonian Epoch (about 391.8–385.3 Ma ago), preceded by the Eifelian and followed by the Frasnian, that is zoned on goniatites (Ammonoidea) and Spiriferida.
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Givetian