| Ludlow Epoch|
427.4–423 million years ago
In the geological timescale, the Ludlow epoch (from 427.4 ± 0.5 million years ago to 423.0 ± 2.3 million years ago) occurred during the Silurian period, after the end of the Homerian age. It is named for the town of Ludlow in Shropshire, England.
|Arthropods of the Ludlow|
|Arctinurus||Wenlock epoch to Ludlow epoch||Europe and North America||Large (up to 30 centimetres (12 in)) trilobite|