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10 de mai. de 2024 · Learn about the ancient wildlife species that survived the ice age and roam the earth today, from mastodons to giant ground sloths. See where you can find them in zoos, preserves or your own backyard.
18 de dez. de 2023 · Learn about 15 living fossils that have survived for millions of years with little change. See photos and facts of komodo dragons, echidnas, cassowaries, gharials, and more.
- Jerry Young
13 de mar. de 2024 · Learn about the horseshoe crab, tuatara, nautilus, coelacanth and olm, which are ancient species that have survived with little change for millions of years. Discover their evolutionary history, adaptations and threats from extinction.
- Sturgeon: 100 Million Years Old
- Chinese Giant Salamander: 170 Million Years Old
- Gharial: 200 Million Years Old
- Alligator Gar: 215 Million Years Old
- Tuatara: 250 Million Years Old
- Emperor Scorpion: 300 Million Years Old
- Sea Lamprey: 340 Million Years Old
- Australian Ghost Shark: 400 Million Years Ago
- Coelacanth: 410 Million Years Old
- Horseshoe Crab: 445 Million Years Old
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Sturgeonhave existed for 100 million years and they’re found in both fresh and saltwater environments. There are over 25 different types throughout temperate regions of the Northern Hemisphere. Some of the best caviar in the world is harvested from sturgeon which has put some species at risk of extinction. Lampreys use them as their blood food sour...
The Chinese giant salamanderis the largest salamander on the planet and it’s been around for approximately 170 million years. They weigh over 100 pounds and approach six feet in length. They’re critically endangeredand live in fragmented ranges. These salamanders are mostly found in swift streams and clear lakes.
Gharials have been around for 200 million years and they live on the Indian subcontinent in murky and slow rivers. Their range has shrunken dramatically and now only spans some of Nepal and northern India. They’re at risk of extinctionand there are probably less than 100 individuals in the wild. They spend most of their time in the water and they o...
Alligator gar are one of the largest fish in North Americaand they’ve been around for about 215 million years. They are up to ten feet long and sometimes weigh 300 pounds. Their huge mouths are used to grab prey that they ambush from below. While they prefer fish like carp, they’ll eat small mammals, birds, and turtles if convenient.
Another prehistoric animal alive today is the tuatara. Tuataras are reptiles from New Zealandthat came into being around 250 million years ago. They exist somewhere between what a dinosaur was and what makes a lizard today. They have a unique lineage and aren’t a lizard or a dinosaur. Scientists are fascinated by them because they provide clues to ...
At almost eight inches in length, emperor scorpions are some of the biggest scorpions in the world. They’re also living fossils that have been around for 300 million years. They live in west Africaand while they’re sometimes found in savannahs, they are usually found in the rainforest. Since their venom is mild and they aren’t aggressive, they’re a...
Lampreys are vertebratesthat have been around for at least 340 million years. They’re jawless and instead have a toothed sucker for a mouth. While they look like an eel, they aren’t related. Sea lampreysspend most of their life in the ocean though they do migrate through rivers and lakes to mate. They latch on to fish so they can consume their bloo...
The Australian ghost shark, also known as an elephant fish, has existed for around 400 million years. While they’re closely related to sharks and are cartilaginous like them, they aren’t sharks. They’re solitary animals that spend their days combing the sea floor for shellfish, mollusks, shrimp, and other small prey.
Coelacanth are lobed fish that have been around for approximately 410 million years. They are deep sea fish that exist around 2,300 feet below sea level. It’s one of the earliest examples of a jawed fish. They have tiny brains that only take up 1.5 percent of what’s in their cranial cavity with fat taking up the remainder of the space. In 1938, sci...
Horseshoe crabs have been around almost unchanged for 445 million years. They aren’t crabs and are more closely related to spiders and scorpions. These animals have ten eyes but they still can’t see very well. Historically, some people ate horseshoe crabs regularly in southeast Asia. Their popularity in food has decreased over the last few decades....
Learn about the living fossils that have been around for millions of years, from sturgeon to coelacanth. See photos, facts, and threats to these ancient creatures that survived extinction.
- September 2, 1983
13 de fev. de 2019 · 500 million years old—Nautilus. i. Dominating the ancient seas 500 million years ago, the nautilus was a mollusk that thrived when the continents were still forming. Originally, there were 10,000 different species—today, only a few survive in the western Pacific Ocean and coast of the Indian Ocean.
8 de dez. de 2021 · The combined results reveal just how diverse and strange these prehistoric animals really were. In no particular order, here are 10 of the most amazing dinosaurs unveiled by scientists this...
30 de jun. de 2017 · Learn about the diversity and evolution of prehistoric animals that lived on Earth for millions of years. See fossil evidence of extinct species and how they compare with modern animals.
