Archelon is an extinct marine turtle from the Late Cretaceous, and is the largest turtle ever to have been documented, with the biggest specimen measuring 4.6 m (15 ft) from head to tail and …

Apr 3, 2024 · But which turtles were the largest to ever walk or swim the Earth, large enough to resist the attacks of fierce Cretaceous predators? Here are a few that put our modern-day …

Mar 19, 2025 · Turtles have been around for more than 200 million years. That means they outlived the dinosaurs, survived mass extinctions, and still swim, crawl, and chill in the sun today.

Jun 7, 2019 · Pictures and detailed profiles of over a dozen prehistoric turtles of the Mesozoic and Cenozoic Eras, ranging from Allaeochelys to Stupendemys.

Aug 26, 2025 · What is Archelon? At 4.6m from head to tail and 4m from flipper to flipper, Archelon is - by far - the largest sea turtle that has ever lived. This prehistoric giant is more …

Nov 15, 2025 · Archelon was a giant prehistoric turtle that lived during the Late Cretaceous period, around 80 to 66 million years ago. This sea turtle is the largest known turtle species to …

Jun 30, 2025 · Turtles are among Earth’s most remarkable survivors, with lineages stretching back over 220 million years. While dinosaurs vanished in the mass extinction event 66 million …

Take a look at one of the largest prehistoric sea turtles to ever roam the oceans. Learn all about Archelon Ischyros here in this guide!

Oct 28, 2025 · These distinctive reptiles have persisted virtually unchanged for over 220 million years, surviving the catastrophic events that claimed the dinosaurs and countless other …

Dec 11, 2025 · Many of the oldest and most primitive forms not only lacked a shell but also lacked a plastron and a carapace. However, early turtles did possess precursors to these structures. …