Trace fossil
Trace fossils are those
details preserved in rocks
that are indirect evidence
of life. While we are most
familiar with relatively
spectacular fossil hard part
remains such as shells and
bones, trace fossils are
... > full story
Paralititan
Paralititan stromeri was a
giant titanosaurian sauropod
dinosaur discovered in
coastal deposits in the
Upper Cretaceous Bahariya
Formation of Egypt. The
fossil represents the first
tetrapod reported from the
... > full story
Fossil
Fossils are the mineralized
or otherwise preserved
remains or traces (such as
footprints) of animals,
plants, and other organisms.
The totality of fossils and
their placement in
fossiliferous
... > full story
Mastodon
Mastodons or Mastodonts are
members of an extinct genus
Mammut of the order
Proboscidea; they resembled,
but were distinct from, the
woolly mammoth. While
mastodons were furry like
woolly mammoths, and similar
... > full story
Browse Reference Articles
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Hadrosaurus
Hadrosaurus is a hadrosaurid dinosaur genus. In 1858, a skeleton of a dinosaur from this genus was the first full dinosaur skeleton found in North America, and in 1868 it became the first ever ... > more -
Stegosaurus
Stegosaurus, meaning "plated lizard", because of the plates on its back was a genus of large herbivorous dinosaurs from the Upper Jurassic of North America. It is among the most easily identifiable ... > more -
Feathered dinosaurs
The realization that dinosaurs are closely related to birds raised the obvious possibility that some dinosaurs had feathers. Fossils of Archaeopteryx include well-preserved feathers, but it was not ... > more -
Archaeopteryx
Archaeopteryx lithographica is the earliest and most primitive known bird. In the 1990s, the discovery of a number of well-preserved feathered dinosaurs solidified the link between dinosaurs and ... > more -
Extinction event
An extinction event (also extinction-level event, ELE) occurs when a large number of species die out in a relatively short period of time. Since life began on Earth, a number of major mass ... > more -
Cretaceous
The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of the Paleocene epoch ... > more -
Homo heidelbergensis
Homo heidelbergensis ("Heidelberg Man") is an extinct, potentially distinct species of the genus Homo and may be the direct ancestor of Homo neanderthalensis in Europe. According to the "Recent Out ... > more -
Cretaceous-Tertiary extinction event
The Cretaceous-Tertiary extinction event was a period of massive extinction of species, about 65.5 million years ago. It corresponds to the end of the Cretaceous Period and the beginning of the ... > more
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