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Silurian

Hierarchy:Phanerozoic Paleozoic
  Silurian
Classification:Period (as per International Commission on Stratigraphy)
Top:419.2 ± 3.2 Ma
Base:443.8 ± 1.5 Ma
Preceeds:Devonian Early Devonian  Lochkovian
Follows:Ordovician Late Ordovician  Hirnantian
Primary Divisions:PridoliLudlowWenlockLlandovery
FGDC code:S
First Vascular plants (the rhyniophytes and their relatives), first millipedes and arthropleurids on land.

First jawed fishes, as well as many armoured jawless fish, populate the seas. Sea-scorpions reach large size. Tabulate and rugose corals, brachiopods (Pentamerida,Rhynchonellida, etc.), and crinoids all abundant.

Trilobites and mollusks diverse; graptolites not as varied.

Beginning of Caledonian Orogeny for hills in England, Ireland, Wales, Scotland, and the Scandinavian Mountains. Also continued into Devonian period as the Acadian Orogeny, above.

Taconic Orogeny tapers off.

Lachlan Orogeny on Australian continent tapers off.
 

Geologic Events

Event NameTypeAgeArea
Ordovician–Silurian extinction events (concludes)Mass Extinction Event~455 - ~430 MaGlobal
Caledonian orogeny (concludes)Orogeny~505 - ~400 MaEurope


Overview of geological time

List all geological events
Mineral and/or Locality  
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