Visualized: Every Mass Extinction in Earth’s History

By Sukh Dhaliwal

On: June 26, 2026 9:46 AM

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Visualized: Every Mass Extinction in Earth's History — Visualized: Every Mass Extinction in Earth’s History

Every Mass Extinction in Earth’s History · MacroDiscovery

MacroDiscovery

Science & Earth · 5 min read · Scientific Consensus

540 Million Years Ago → NOW — Paleontology · Earth Science · Conservation

Science & Earth History

Every Mass Extinction
in Earth’s History

Five times in Earth’s history, life nearly ended. The worst killed 96% of all species. Recovery took 10 million years. A sixth extinction is now underway — caused not by asteroids or volcanic winters, but by a single species.

By MacroDiscovery

Sources: IPBES · IUCN · Nature · Science

Data: Paleontological consensus 2024

Major mass extinctions in 540M years

96%

Species lost in worst event (Permian)

10M yrs

Average recovery time after each event

1,000×

Current extinction rate vs. background rate

Species currently threatened with extinction

Visualization 01 — 540 Million Years of Life

Biodiversity Through Deep Time — The Five Mass Extinctions

Estimated marine animal genera diversity over geological time. Each spike downward = a mass extinction event. Right edge = today. Source: Rohde & Muller 2005, Sepkoski 2002, Raup & Sepkoski 1982 — updated with modern paleontological data.

Visualization 02 — How Bad Was Each One?

Species Lost in Each Mass Extinction — Ranked by Severity

Estimated % of all species (marine and terrestrial) that went extinct in each event. Note: estimates vary by study; figures reflect scientific consensus ranges. Source: Raup & Sepkoski 1982, Barnosky et al. 2011, updated 2024.

☠ Permian–Triassic 252 MYA · “The Great Dying”

96% of all species — life nearly ended

96%

☠ Triassic–Jurassic 201 MYA · Volcanism

80% lost — opened the door for dinosaurs

80%

☠ Ordovician–Silurian 443 MYA · Ice age + sea level

85% of marine species lost

85%

☠ Cretaceous–Paleogene 66 MYA · Asteroid + Deccan Traps

76% — ended the dinosaurs, opened mammals

76%

☠ Late Devonian 375 MYA · Multiple pulses

75% lost over ~25M year period

75%

⚠ Sixth Extinction NOW · Human-caused · ongoing

~3% so far — but rate is 1,000× background

~3%

Visualization 03 — What Killed Everything

The Big Five — Cause, Scale, and Recovery Time

Each mass extinction had a distinct kill mechanism. Understanding the pattern reveals what makes the sixth extinction structurally different.

EXTINCTION 01 · 443 MYA

Ordovician–Silurian

2nd largest by marine species loss · 85%

85% LOST 5M YR RECOVERY

Primary Cause

Rapid glaciation of Gondwana lowered sea levels by 100m, draining the shallow marine environments where most Ordovician life lived.

What Died

Primarily marine invertebrates — trilobites, brachiopods, graptolites. Life was almost entirely ocean-based; land was largely barren.

What Survived

Deep-water species that escaped temperature swings. Early jawless fish survived — ancestors of all vertebrate life today.

What Came After

Silurian explosion of new marine life. First vascular plants began colonizing land — setting up the Devonian terrestrial revolution.

EXTINCTION 02 · 375 MYA

Late Devonian

Multiple extinction pulses over ~25 million years

75% LOST 15M YR RECOVERY

Primary Cause

Ocean anoxia — widespread loss of oxygen in shallow seas, likely triggered by massive algal blooms from land plant nutrients. Several distinct pulses over millions of years.

What Died

Reef ecosystems collapsed for 100 million years. Placoderms (armoured fish), most coral groups, and 70% of marine invertebrate species.

What Survived

Sharks — their earliest major radiation. Lobe-finned fish that would eventually crawl onto land. Insects were largely unaffected.

What Came After

The Carboniferous coal forests — Earth’s greatest era of terrestrial plant expansion. The origin of most coal deposits we still burn today.

EXTINCTION 03 · 252 MYA · ☠ THE WORST

Permian–Triassic · “The Great Dying”

The most severe extinction in Earth’s history · 96% of all species

96% LOST 10M YR RECOVERY

Primary Cause

Siberian Traps volcanism — one of the largest volcanic events in history, releasing enough CO₂ and SO₂ to raise global temperatures by 8–10°C and acidify the oceans. Ocean warming depleted oxygen. Duration: ~60,000 years.

What Died

Nearly everything. 96% of marine species. 70% of terrestrial vertebrates. The trilobites — which had survived two previous extinctions — were finally wiped out after 270 million years of existence.

What Survived

Small, metabolically flexible generalists. Lystrosaurus — a pig-sized herbivore — may have comprised 95% of all land vertebrates immediately after. The ancestor of all mammals survived.

What Came After

Recovery took 10 million years — the longest of any extinction. Then the Age of Dinosaurs. The surviving mammal lineage spent 185 million years as small nocturnal creatures before our turn came.

EXTINCTION 04 · 201 MYA

Triassic–Jurassic

Cleared the path for dinosaur dominance

80% LOST 8M YR RECOVERY

Primary Cause

Central Atlantic Magmatic Province (CAMP) — massive volcanism as the supercontinent Pangaea began to break apart, releasing CO₂ and causing rapid warming and ocean acidification.

What Died

Large land reptiles called crurotarsans — the main competitors to early dinosaurs. Most large marine reptiles. A massive restructuring of terrestrial vertebrate fauna.

What Survived

Early dinosaurs — which had coexisted with crurotarsans at low diversity. The extinction removed all competition and allowed dinosaurs to diversify explosively into every ecological niche.

What Came After

The Jurassic — peak dinosaur diversity. Sauropods, stegosaurs, early birds (theropods). Also the first mammals — tiny, shrew-like, living in the margins of a world ruled by giants.

EXTINCTION 05 · 66 MYA

Cretaceous–Paleogene (K-Pg)

The most famous extinction — ended the non-avian dinosaurs

76% LOST 3M YR RECOVERY

Primary Cause

Chicxulub asteroid impact (10km wide) in modern-day Mexico, releasing energy equivalent to 1 billion Hiroshima bombs. Impact winter blocked sunlight for years. Compounded by ongoing Deccan Traps volcanism in India.

What Died

All non-avian dinosaurs. Mosasaurs, plesiosaurs, pterosaurs. 75% of all plant species. Ammonites — which had survived the previous four extinctions — finally vanished after 330 million years.

What Survived

Birds (avian dinosaurs). Small mammals. Crocodilians. Turtles. Snakes. The species that survived shared traits: small body size, dietary flexibility, ability to survive on limited resources.

What Came After

The Cenozoic — Age of Mammals. In just 10 million years, mammals diversified from small generalists into whales, bats, horses, elephants, and primates. The lineage leading to humans began here.

Visualization 04 — The Sixth Extinction

The Sixth Mass Extinction — It Is Already Underway

Human-caused · Holocene Epoch · ~10,000 years ago → accelerating since 1950

⚠ ACTIVE · ONGOING · ACCELERATING

Unlike all five previous extinctions, the sixth is not caused by volcanism, asteroids, or ice ages. It is caused by habitat destruction, overexploitation, invasive species, pollution, and climate change — all products of a single species.

1,000×

Current extinction rate vs. natural background rate

Species currently threatened with extinction (IUCN 2024)

68%

Decline in vertebrate population sizes since 1970 (WWF)

Estimated species lost so far — but rate is accelerating

50%

Of known species could be extinct by 2100 if current trends continue

10M yrs

Minimum recovery time if extinction continues at current pace

Every Extinction Followed by an Explosion

Mass extinctions do not end evolution — they restart it, under radically different rules.

The most consistent pattern across all five extinctions is that the survivors inherit a world with almost no competition. The Permian extinction eliminated 96% of species — and the 4% that survived diversified into every ecological niche left empty. Crises create winners as much as they create losers.

The Ordovician extinction cleared the ocean floor for the Silurian reef revolution
The Devonian extinction eliminated fish competitors and enabled the first land vertebrates
The Triassic extinction removed crurotarsans and unleashed dinosaur dominance
The K-Pg extinction ended the dinosaurs and gave mammals 66 million years to produce us

Key Insight

We exist because of the K-Pg extinction. Without the asteroid, dinosaurs would likely still dominate Earth and mammals would remain small nocturnal creatures. Every mass extinction in Earth’s history eventually enabled more complex life — but only after 3–10 million years of recovery.

Extinction is creative destruction at the planetary scale — but the timescale of recovery is longer than civilization has existed.

Why the Sixth Is Structurally Different

All previous extinctions had a single cause that ended. This one has five concurrent causes that are accelerating.

The Permian extinction — the worst in history — was caused by one mechanism: volcanic CO₂ warming oceans over 60,000 years. The sixth extinction is simultaneously driven by habitat destruction, climate change, overexploitation, invasive species, and pollution — five compounding stressors that reinforce each other.

Why It Matters

The geological record shows that extinctions caused by a single rapid event (asteroid) recover faster than extinctions caused by prolonged environmental degradation (volcanism). The sixth extinction is closer to the prolonged degradation model — suggesting recovery timescales in the millions of years, not thousands.

The sixth extinction is the first in Earth’s history where the cause is aware of what it is doing.

Macro Takeaway — 5 to 10 Year Outlook

The Tipping Point Window Is Now

Scientists estimate we are in the critical 20-year window to prevent irreversible mass extinction outcomes.

The IPBES (Intergovernmental Science-Policy Platform on Biodiversity) 2024 report identifies 2030 as a critical threshold — beyond which ecosystem collapse becomes self-reinforcing. The Kunming-Montreal Global Biodiversity Framework (2022) committed 196 nations to protecting 30% of land and ocean by 2030, but implementation is running years behind.

De-Extinction Changes the Equation

For the first time in Earth’s history, a species can deliberately reverse extinction.

Colossal Biosciences is advancing woolly mammoth de-extinction (target: 2028 birth). The thylacine, passenger pigeon, and dodo are all active de-extinction projects. This is genuinely unprecedented in 540 million years of extinction history — but critics argue it risks distracting from preventing current extinctions.

The Recovery Lesson From Deep Time

Earth always recovers. The question is whether humans are still here when it does.

Every previous mass extinction was followed by a recovery — but recovery took 3–10 million years. Human civilization is 10,000 years old. The geological record does not offer comfort on human timescales: if a sixth mass extinction proceeds to its logical conclusion, the world that recovers will be one that evolved without us as a reference point.