Extinct species
This page features lists of extinct species, organisms that have become extinct, either in the wild or completely. In practice, a species not definitely located in the wild in the last 50 years is cal...
List of Prehistoric Crocodiles - Crocodile Facts
A list of some of prehistoric crocodile genera the ancient beasts that hunted and killed dinosaurs.
Titanoboa - Snake Facts
The Titanoboa cerrejonensis is an extinc giant snake that lived around 58 million years ago in the jungles of South America.
Titanoboa - Snake Facts
The Titanoboa cerrejonensis is an extinc giant snake that lived around 58 million years ago in the jungles of South America.
A Fossilised Skull Has Revealed When The Last 'Siberian Unicorn' Lived On Earth
For decades, scientists have estimated that the Siberian unicorn - a long-extinct species of mammal that looked more like a rhino than a horse - died out some 350,000 years ago , but a beautifully pre...
Oldest Nervous System Found In 520-Million-Year-Old Fossil
Fossils of an ancient creature resembling a shrimp with an armored head contain the oldest and best-preserved nervous system ever found, which could help scientists decipher the evolution of nervous s...
Asteroid Impact, Volcanism Were One-Two Punch For Dinosaurs
For 35 years, paleontologists and geologists have debated the role these two global events played in the last mass extinction, with one side claiming the eruptions were irrelevant, and the other side ...
Scientists Find A New Dinosaur With Well Preserved, Bird-Like Wings — But Not For Flight
Paleontologists working in China have found a new dinosaur with one of the most complex, well-preserved set of wings ever seen on a specimen of its size. In a study published Thursday in the journal S...
How Birds Evolved From Dinosaurs
Modern birds descended from a group of two-legged dinosaurs known as theropods, whose members include the towering Tyrannosaurus rex and the smaller velociraptors. The theropods most closely related t...
Study Shows Climate Change’s Surprising Toll On Early Dinosaurs
For years, scientists have puzzled over an odd gap in the fossil record for early dinosaurs: Even as dinosaurs spread through the most of the world 200 million years ago, some yet-unknown force kept t...
Clues Contained In Ancient Brain Point To The Origin Of Heads In Early Animals
A new study from the University of Cambridge has identified one of the oldest fossil brains ever discovered -- more than 500 million years old -- and used it to help determine how heads first evolved ...
Red Pandas are Having Snow Much Fun
Keeper captures our Red Pandas having huge fun on a cold snowy day.
Lists of extinct species
This page features lists of extinct species, organisms that have become extinct, either in the wild or completely. In practice, a species not definitely located in the wild in the last 50 years is cal...
Extinct animals
The following are lists of extinct animals by region.
List of extinct plants
The following is a list of extinct plants only.
List of extinct plants - Wikipedia
Prehistoric life
The evolutionary history of life on Earth traces the processes by which living and fossil organisms have evolved since life on the planet first originated until the present day. Earth formed about 4.5...
Prehistoric life - Wikipedia
Lazarus taxon
In paleontology, a Lazarus taxon (plural taxa) is a taxon that disappears for one or more periods from the fossil record, only to appear again later. The term refers to the story in the Christian bibl...
Lazarus taxon - Wikipedia
Xindi (Star Trek)
The Xindi /ˈzɪndi/ is the collective term for six fictional races in the science fiction television series Star Trek: Enterprise. The entire third season, broadcast in 2003 to 2004, centered on this g...
List of Prehistoric Crocodiles - Crocodile Facts
A list of some of prehistoric crocodile genera the ancient beasts that hunted and killed dinosaurs.
Dinosaur
Dinosaurs are a diverse group of animals of the clade Dinosauria. They first appeared during the Triassic period, 231.4 million years ago, and were the dominant terrestrial vertebrates for 135...
Dinosaur - Wikipedia
American lion
The American lion (Panthera leo atrox or P. atrox) – also known as the North American lion, Naegele’s giant jaguar or American cave lion – is an extinct lion of the family Felidae, endemic to North Am...
American lion - Wikipedia
List of fictional ancient extraterrestrial species
This is a list of fictional ancient extraterrestrial species in science fiction who have all but died out, left only ruins or have only a small group of survivors left: