Read through these Fun facts on fossils and find the biggest, oldest, longest fossils ever found!
Titanites are often 2 feet (53 centimeters) in diameter. They are found in southern England and come from the Jurassic Period.
Pachydiscus seppenradensis sometimes reach a diameter of 6 ½ feet (2 meters). They are found in Germany from the Cretaceous Period.
Parapuzosia bradyi can be 4 ½ feet (137 centimeters) in diameter. They are found in North American, from the Cretaceous Period.
The Largest Nautiloids
The largest nautiloid on record is called Endoceras. It is from the Ordovician Period and has been measured up to 13 feet (3 ½ meters) long.
The Biggest Trilobites
Isotelus rex is the largest known species of trilobite. It was found in northern Manitoba. This humongous arthropod measures about 28 inches (72 centimeters) long. Isotelus rex is now on display at the Manitoba Museum in Winnipeg.
Earth’s Oldest Fossils
The evidence of microscopic life forms has been detected as old as 3,700 to 3,800 million years ago. This evidence was found in Isua greenstone in Greenland. There have been claims of evidence dating back as far as 3,850 million years ago but these are not universally accepted. Scientists continue to refine dating methods to get reliable data on the earliest life on earth.
Facts on Fossils - Vertebrates
The Oldest Fish Fossils
The oldest fish fossils on record were found at Chengjiang, in Yunnan Province, China. Two species have been found dating from about 530 million years ago. Haikouichthys ercaicunensis, and Myllokunmingia fengjiaoa, are recent finds. If verified these finds will rewrite the fish chapter of evolution.
Sauroposeidon may have been the largest dinosaur ever to walk the face of the earth. Scientists believe this gigantic dinosaur would have stood 60 feet tall (18 meters) and weighed 60 tonnes! Sauroposeidon means "earthquake god lizard”. This dinosaur may also hold the record for having the longest neck.
Megalodon is estimated to have been 40 to 50 feet long and weigh 48 tons!
Facts on Fossils - Places
The oldest fossils of multicelled animals come from just two places on earth. The Burgess Shale formation in Canada was long regarded as the oldest fossil bed. The Burgess Shale was formed about 530 million years ago during the Cambrian period. Many early Cambrian Period fossils have been found there. The Chengjiang Deposits of China are thought to be even older than Canada’s Burgess Shale. The fossils are found near the town of Chengjiang, in the Yunnan Province of China. This area appears to be about 15 million years older than the Burgess Shale formation.
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Geologic Time Geologic Time LineProterozoic Era