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Posted on April 17, 2022 (Updated on August 7, 2025)

When was the Glossopteris extinct?

Regional Specifics

The Last Stand of Glossopteris: What Happened to Gondwana’s Signature Plant?

Imagine a world dominated by strange, tongue-shaped leaves – that was Gondwana, the supercontinent of the Permian Period, and Glossopteris was its star. These weren’t your average ferns; they were seed ferns, the VIPs of their ecosystem. But then, disaster struck. Glossopteris, along with a whole lot of other life, vanished. So, what gives? What snuffed out these Gondwanan icons?

The story of Glossopteris’s end is really the story of the Permian-Triassic extinction, or as some call it, “The Great Dying.” Picture the worst catastrophe you can imagine, then multiply it. We’re talking about an event, roughly 252 million years ago, that redrew the map of life on Earth. It was the mother of all extinctions. Marine life? Decimated. Land vertebrates? Practically wiped out. Even the insects got hammered – and they usually breeze through anything!

What caused this global meltdown? The finger points squarely at the Siberian Traps. Think of it as Earth’s biggest burp – a colossal volcanic eruption that spewed out insane amounts of greenhouse gases. The result? A planet cooking itself from the inside out. Temperatures soared, the oceans turned acidic (bad news for shellfish!), and huge swathes of the seas became oxygen-starved dead zones. Not a fun time to be alive, let me tell you.

Now, when did Glossopteris throw in the towel? The evidence suggests its decline was part and parcel of this end-Permian chaos. Some recent evidence from the Sydney Basin in Australia indicates that Glossopteris forests collapsed over 350,000 years before the worst of the marine die-off. You might see older books claiming Glossopteris hung on into the Triassic or even the Jurassic, but those are likely cases of mistaken identity. The real Glossopteris, with its tell-tale roots and reproductive bits, is a no-show in later rocks.

Glossopteris was built for the chilly, swampy conditions of Permian Gondwana. But it was a bit like a polar bear in the desert when those Siberian Traps started erupting. The rapid warming and drying? Too much, too fast. And with Glossopteris gone, the whole terrestrial ecosystem felt the loss. It was a dominant plant, a keystone species. Its disappearance sent ripples throughout the food web.

The fate of Glossopteris is a cautionary tale, a stark reminder that even the most successful species can be vulnerable in the face of drastic environmental change. The Permian-Triassic extinction wasn’t just a blip; it was a reset button for life on Earth. By piecing together the story of Glossopteris, we can learn a lot about the fragility of ecosystems and, hopefully, avoid repeating history. Because, trust me, nobody wants another “Great Dying.”

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