443.7 MA
SILURIAN443.7 PERIOD (27.7
M) (443.7-416 MA) Caledonian
mountain building Club
mosses and other primitive land plants abundant Arthropods - some may have invaded land LLANDOVERY443.7 EPOCH (15.5 M) (443.7-428.2
MA) RHUDDANIAN443.7
STAGE (4.7
M)
(443.7-439
MA) 439 MA
AERONIAN439
STAGE (3
M)
(439-436 MA)436 MA
TELYCHIAN436
STAGE (7.8
M)
(436-428.2 MA) 428.2 MA WENLOCK428.2
EPOCH (5.3
M)
(428.2-422.9 MA)
SHEINWOODIAN428.2 STAGE (2
M)
(428.2-426.2
MA) 426.2 MA
HOMERIAN426.2
STAGE (3.3
M)
(426.2-422.9 MA)
422.9 MA
LUDLOW422.9
EPOCH (4.2
M)
(422.9-418.7 MA) GORSTIAN422.9
STAGE (1.6
M)
(422.9-421.3
MA) 421.3 MA
LUDFORDIAN421.3
STAGE (2.6
M)
(421.3-418.7 MA) 418.7 MA PRIDOLI418.7
EPOCH (2.7
M)
(418.7-416 MA)
STAGE 1 - PRIDOLI418.7 (2.7
M)
(418.7-416
MA)