# Dinosaur-Era Mammal Swam Like Platypus and Replaced Its Teeth Multiple Times

> **Newsylist Open Intelligence Dossier** · First detected: 2026-10-02 23:29 UTC · Category: Science · Sources: 5 · Current Velocity: 2.8

## Intelligence Brief
&quot;Dinosaur-Era Mammal Swam Like Platypus and Replaced Its Teeth Multiple Times&quot; developed substantial multi-source reporting across the Science sector, tracked across 5 distinct newsrooms by Newsylist.


Key reporting was led by Yahoo, Global Times, Nature and New Scientist. Coverage velocity and cross-outlet momentum were measured using Newsylist open coverage telemetry.


Synthesized from multi-source international reporting and live coverage telemetry under Newsylist open intelligence methodology.

## Verified Facts & Key Claims
### What drove coverage for Dinosaur-Era Mammal Swam Like Platypus and Replaced Its Teeth Multiple Time?
Coverage spiked when 5 independent newsrooms published 5 verified reports during this coverage cycle.

### How did Newsylist track this trend?
Newsylist monitored article arrival rates, source diversity, and cross-outlet validation in real time.

## Key People, Organizations & Locations
Multiple, Dinosaur-era, Times, Mammal, Its, Like, Swam, Platypus, Replaced, Teeth

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| Yahoo | 125-million-year-old fossil: Earliest true mammal ever built for swimming | 2026-10-01 22:29 | [Source Link](https://news.google.com/rss/articles/CBMilAFBVV95cUxNVkNLbGNmTmJqV19hbkp6a2RDbVFvSEFSUHhqc1JWZl9QektpcnZrdFpweHRoRHE5RDJ0bTFOcG9pc0RBTDE0d2NaYzJKQlZoUXNZMV9jS1g4dkdOQ2NTTndIMDFVM0swS1hjczNWQy14UHRkQnVGOHVwaXIxUmJ1blIyWk52OFZkRUo2SHYzZFo2MDhC?oc=5) |
| Global Times | Earliest confirmed swimming mammal discovered in China | 2026-10-01 22:29 | [Source Link](https://news.google.com/rss/articles/CBMiYkFVX3lxTE5PZ29FM2VlWDNSQnVjUzAyanlKOWE0NjBjX0ZSY0g4dkhLUDRudnNGRkQ4X0FHSldpSWg0NjFueTNjMjl2MF9tT0xnWV9RSnZNNDUxaU52NXpTNXdwbzBDWDdR?oc=5) |
| Nature | A polyphyodont, semiaquatic eutriconodontan mammal from the Early Cretaceous of China | 2026-10-01 22:29 | [Source Link](https://news.google.com/rss/articles/CBMiX0FVX3lxTE83aHZVZEViZTFfSldmSU1fMllRd2w2TFpKRC02Y2l5MGlyMmlTdmZ5MnhObEJrVy0zR3J5TXJuMGNjOGZkZnAxSnhFaE9ZNFJURXdSeklkWWtwZ1phY1Jz?oc=5) |
| New Scientist | Fossil mammal with reptile-like teeth changes picture of our evolution | 2026-10-01 22:29 | [Source Link](https://news.google.com/rss/articles/CBMitwFBVV95cUxPOTY5U292N3pjOEdkTlpCTFYwYTVRbXVNY09qM01aeWNvQldJUndMLVlhX2NVcDJMUTkxUGFQNzNRRGhoSk9oNEZDb2tRMjdCUm5JSUk1MkoxNXpoNXlkQms5QjJVYjJmcUZWaFJSdXBPWTZRV1NjSWJob2dwczBzakV0SU1ldzVSSlNTYnhYbnUzaldGQ1VDWlg1SW1fZmktb0VWa0JQeUotMXUzNWE0cWZYakI4eWM?oc=5) |
| Sci.News | Dinosaur-Era Mammal Swam Like Platypus and Replaced Its Teeth Multiple Times | 2026-10-01 22:29 | [Source Link](https://news.google.com/rss/articles/CBMid0FVX3lxTFBWSExGVzh2aVRTUVZXa2hBNGNYVmxUaG1wRjZOM3ZaUGl3Ym5KQ1V6bnNfakhlUC1xX3NqN2QxZmpiY0RDaDhxZ1lGam5vOWNIclUxeWJ4aHFYVVdOYTBxd3A3TDI5ZUF4a2VkdnZVZ3lJQ3dCbHV3?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-10-02/dinosaur-era-mammal-swam-like-platypus-and-replaced-its-teeth-multiple-times*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*
