Silurian

From Palaeos

Paleozoic era 542-251
Cambrian 542-488	Ordovician 488-444	Silurian 444-416	Devonian 416-359	Carboniferous 359-299	Permian 299-251

The Silurian Period of the Paleozoic Era:
443.7 to 418.0 million years ago

Comparison of the cheirurid trilobites Deiphon forbesi (right), and D. barrandei (left), in conjunction with a very small Eucalyptocrinus crassus camerate crinoid, and an Eohalysiocrinus stigmata calceocrinid crinoid. © Stanton Fink

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Silurian period 444-416
Llandovery 444-428			Wenlock 428-423		Ludlow 423-419		Pridoli 419-416
Rhuddalian 444-439	Aeronian 439-436	Telychian 436-428	Sheinwoodian 428-426	Homerian 426-423	Gorstian 423-421	Ludfordian 421-419	Pridoli 419-416
Silurian topics: Stratigraphy \| Geography \| Climate \| Life \| Important Fossil Sites \| References \| Links