Biological taxa that went extinct during the Silurian Period, the geologic time between 443.8 and 419.2 million years ago, during the Paleozoic Era.
This category has the following 2 subcategories, out of 2 total.
The following 83 pages are in this category, out of 83 total. This list may not reflect recent changes.
Biological taxa that went extinct during the Silurian Period, the geologic time between 443.8 and 419.2 million years ago, during the Paleozoic Era.
This category has the following 2 subcategories, out of 2 total.
The following 83 pages are in this category, out of 83 total. This list may not reflect recent changes.