Ludlow Epoch

427.4 ± 0.5 – 423.0 ± 2.3 Ma
Name formalityFormal
Name ratified1980
Usage information
Celestial bodyEarth
Regional usageGlobal (ICS)
Time scale(s) usedICS Time Scale
Chronological unitEpoch
Stratigraphic unitSeries
Time span formalityFormal
Lower boundary definitionFAD of the Graptolite Saetograptus (Colonograptus) varians
Lower boundary GSSPPitch Coppice, Ludlow, U.K.
52°21′33″N 2°46′38″W / 52.3592°N 2.7772°W / 52.3592; -2.7772
Lower GSSP ratified1980
Upper boundary definitionFAD of the Graptolite Monograptus parultimus.
Upper boundary GSSPPožáry Section, Prague-Řeporyje, Czech Republic
50°01′40″N 14°19′30″E / 50.0277°N 14.3249°E / 50.0277; 14.3249
Upper GSSP ratified1984

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.

The Ludlow Epoch is subdivided into two stages: Gorstian and Ludfordian.



Arthropods of the Ludlow
Taxa Presence Location Description Images
Arctinurus Wenlock Epoch to Ludlow Epoch Europe and North America Large (up to 30 centimetres (12 in)) trilobite

See also

This page was last updated at 2023-11-23 22:49 UTC. Update now. View original page.

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