Lexicon
Intervals
Macrostrat
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Silurian
105
Type
Period
Age range
443.1–419.62
Ma
International Timescale
also
International Periods
,
International Intervals Covering All Time
Phanerozoic
Paleozoic
Devonian
Early Devonian
Silurian
Pridoli
Ludlow
Wenlock
Llandovery
Ordovician
Late Ordovician
444
443
442
441
440
439
438
437
436
435
434
433
432
431
430
429
428
427
426
425
424
423
422
421
420
419
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