The Llandovery epoch: the geologic time between 443.8 and 433.4 million years ago, during the Silurian Period.
Subcategories
This category has the following 5 subcategories, out of 5 total.
Pages in category "Llandovery epoch"
The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes.