# Fossil long known as world's oldest reptile dethroned

> **Newsylist Open Intelligence Dossier** · First detected: 2026-10-01 22:29 UTC · Category: Science · Sources: 2 · Current Velocity: 0.71

## Key People, Organizations & Locations
Fossil

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| IFLScience | Fossil Long Hailed As The "World’s Oldest Reptile" Turns Out Isn’t Actually Reptilian At All | 2026-09-30 21:00 | [Source Link](https://news.google.com/rss/articles/CBMivgFBVV95cUxNNUpGTzlMeE5yWUhpbC05STFNUlVHNGgwY1JGazNYeDROWHVtTGV0VU0tWkxTc1hKT1U1T0phUDV3R3gwOHh5TGdfb0tKVVVYQkdYMnR0YXVoclpVUFp2S1V3WDlmRnNsalBnNzBjOXI1NGNMd1QyZWtzTW9uR19WUFpQdE9QX1pQYm8xWEF2V2E5RnppcjNqWXo0bkdsLUxTY0JqNDRheDFIYXdWSUdVSmxzdkxFSWtNYkIybEln?oc=5) |
| Discover Magazine | The 345-Million-Year-Old Landmark Fossil “Lizzie” Was Not a Reptile — It Had Gills and a Fish-Like Mouth | 2026-09-30 21:00 | [Source Link](https://news.google.com/rss/articles/CBMi1gFBVV95cUxNdlZQd0xUczFEQS1ld252TGY1QnZtWDBxcVRJa0JVSnlQWkdVcHNNYXkwOFJJX2xrRUNwekFxWjhvNU5CaElyajVMWmEwSXozcjVkejIyc2dMLWlUd0t4b3pDalZ0UVItSXlEdWNpWWExeEh3VUtIVGtYREZ0MlBoRFkxNXFJYW5vMVlfVDFyODhRNkYwSUdyUUNOSUlFcFlBWURhYTh4YzIzbTFrX0J5QWtsR0Z3cmdhVXBWeTdKWjE4RVR5MjZrcWdCQXRvQThyNlJrWl9B?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-10-01/fossil-long-known-as-world-s-oldest-reptile-dethroned*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*