Concept information
Preferred term
Rhuddanian
Definition
- In the geologic timescale, the Rhuddanian is the first age of the Silurian Period and of the Llandovery Epoch. The Silurian is in the Paleozoic Era of the Phanerozoic Eon. The Rhuddanian Age began 443.8 ± 1.5 Ma and ended 440.8 ± 1.2 Ma (million years ago). It succeeds the Himantian Age (the last age of the Ordovician Period) and precedes the Aeronian Age. (Adapted from: https://en.wikipedia.org/wiki/Rhuddanian)
Broader concept
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/QX8-FBW214GG-1
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