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  "path": "/animals/extinct-species/a-completely-different-story-300-million-year-old-fossils-reveal-the-first-vertebrate-land-dwellers-werent-what-we-thought-researchers-claim",
  "publishedAt": "2026-06-19T10:26:37.000Z",
  "site": "https://www.livescience.com",
  "tags": [
    "Extinct species",
    "Animals"
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  "textContent": "Our ancient four-legged ancestors didn't have an amphibian-like life cycle when they began walking on land, according to a new study of rare fossils found near Chicago.",
  "title": "'A completely different story': 300 million-year-old fossils reveal the first vertebrate land dwellers weren't what we thought, researchers claim",
  "updatedAt": "2026-06-19T10:43:10.000Z"
}