Middle Devonian
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Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age (Ma) | Age | |||
---|---|---|---|---|---|---|---|---|---|---|---|
Base | Top | ||||||||||
Eifelian | d4 | chronostratigraphy | Stage | global | Middle Devonian | 393.3 | 387.7 | ||||
Givetian | d5 | chronostratigraphy | Stage | global | Middle Devonian | 387.7 | 382.7 |
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