The Complete History of the Earth: Ordovician Period

(15:1econd)

Ordovician Mass Extinction- Causes \u0026 Consequences | GEO GIRL

(16:41)

Could You Survive The Ordovician Period?

(50:46)

How Plants Caused the First Mass Extinction

(10:30)

Titans of the Prehistoric Seas: The Lost Era of Ordovician Giant Shellfish Earth History Documentary

(1:21:47)

The Ordovician Period (That We Know Of)

(21:44)

Duff Unscripted: New Fossil Site Reveals Remarkable Ordovician Fauna

(39:53)

Lecture 2: Ordovician and Silurian

(1:11:3)

What Was Life Like During the Ordovician Period?

(12:24)

History Channel Documentary The Secrets of the Ordovician Age BBC Documentary

(47:3)

From the Cambrian Explosion to the Great Dying

(11:58)

Geology of the Cambrian \u0026 Ordovician 542 - 444 Mya | GEO GIRL

(19:6)

The Complete History Of The Earth: Ordovician Era

(7:18)

Life in the Cambrian \u0026 Ordovician ~542-444 mya | GEO GIRL

(26:33)

The Extinction That Never Happened

(8:31)

The Dinosaurs of the Triassic Period: A Summary of the First Dinosaurs and their Rise to Dominance

(51:3)

The Cretaceous Period (That We Know Of) ft. Kallie from PBS Eons

(1:10:56)

Could You Survive The Carboniferous Period?

(54:24)

Welcome to the Ordovician

(3:15)

Ordovician marine life

(20)

The Cambrian \u0026 Ordovician Periods

(1:51)

A Ring Around Earth: Earth's Mysterious Ordovician Impact Craters

(41:49)