Epidexipteryx was a small feathered dinosaur that lived in
the Inner Mongolia region of
the Jurassic period,
between about 168 and 152 million years ago.
Although it could not fly, it is believed to be closed related to birds.
Epidexipteryx was very small for a
It's body and tail was in total about 10 inches (25 centimeters) long,
but it had four long tail feathers giving it a total length of around 17½ inches (44 centimeters).
It probably weighed around 5½ ounces (160 grams).
tail feathers, which were most likely used for display purposes,
were unusual and not like modern bird feathers - they were not branched into
individual filaments like bird feathers, but each one was made of a single sheet.
As well its tail feathers, Epidexipteryx also had a covering of body feathers,
although it did not have wing feathers.
"Epidexipteryx" means "display feather". This name was chosen because of the four long feathers on the animal's tail.
Epidexipteryx was a member of the Saurischia ("lizard-hipped") order of dinosaurs. What this means, is that although Epidexipteryx was not closely related to lizards, it did have similarly shaped pelvic bones.
Epidexipteryx was a Theropod - a member of a group of related bipedal dinosaurs that included the ancestors of birds (although Epidexipteryx was not itself an ancestor of birds).
Epidexipteryx lived between about 168 million years ago and 152 million years ago, during the Jurassic period.
Epidexipteryx lived in the Inner Mongolia region of China.
Epidexipteryx was a carnivore (meat-eater).
Epidexipteryx had a body and tail about 10 inches (25 centimeters) long, but including its long tail feathers was about 17½ inches (44 centimeters) long in total.
Epidexipteryx probably weighed about 5½ ounces (160 grams).
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