Fossil species that are used to distinguish one layer from another are called index fossils. Index fossils occur for a limited interval of time. Usually index fossils are fossil organisms that are ...

A fossil is the preserved remains or traces of ... This becomes buried by small particles of rock called sediment. As more layers of sediment build up on top, the sediment around the skeleton ...

"Remarkably, the fossil is so well-preserved that it is possible to observe individual cellular layers within its skin." The researchers identified cell-like microstructures which probably held ...

A fragment of upper jaw fossil from the Early Cretaceous is among the oldest examples of a toothless amphibian in the fossil ...

The fossil was found in Uzbekistan from a layer of earth dating to the late Cretaceous Period about 90 million years ago. The new species was named “ulughbegsaurus” by the team of researchers ...

Moreover, the conditions for fossil fuel formation favor environments rich in smaller organisms that rapidly accumulate and decompose in sedimentary layers. Dinosaur carcasses, though massive ...

NAGASAKI--Researchers have determined that a fossil found in the layers of a local beach is the shoulder blade of a 9-meter-long ornithopod dinosaur, one of the largest in Japan and possibly a new ...

A 555-million-year-old fossil found in South Australia provides crucial evidence for the Precambrian origins of Ecdysozoa, ...

The team studied more than 150 fossilized Tully monsters and more than 70 other varied animal fossils from the Mazon Creek Formation. In the mud layers deposited around 300 million years ago at ...

A fascinating fossil discovery in remote South Australia sheds light on an important chapter in the history of life on Earth: ...

Listen: Fossil-hunters Neville and Sally Hollingworth ... longhorn cattle are standing on top of an early Jurassic clay layer containing abundant fossils The couple found the fish head in a ...

Rocks that contain dinosaur fossils on Port Island in Hong Kong. [Photo provided to CHINA DAILY] Pittman said he was not ...