Epidendrosaurus Facts
Pronunciation: ep-ih-DEN-droh-SORE-us
Name meaning: Upon tree lizard
| Diet | Carnivore |
| Height | 0.08m |
| Length | 0.15m |
| Weight | 10 g |
| Environment | Land |
| Era | Jurassic |
| Period | Middle Jurassic |
| Type | Theropod |
| Location | China |
Epidendrosaurus was a tiny theropod dinosaur that lived during the Middle Jurassic period, approximately 165 million years ago in what is now China. This sparrow-sized dinosaur is now recognised as being the same animal as Scansoriopteryx, though Epidendrosaurus was described first from adult remains whilst Scansoriopteryx was based on a juvenile specimen.
This remarkable little theropod measured just 15 centimetres in length and weighed only about 10 grams, making it one of the smallest dinosaurs ever discovered. Epidendrosaurus possessed extraordinary adaptations for an arboreal lifestyle, including curved claws perfect for gripping tree bark and branches. Its most distinctive feature was an enormously elongated third finger, which may have supported a membranous wing similar to those seen in bats or flying squirrels.
As a carnivore, Epidendrosaurus likely fed on insects, small invertebrates, and possibly tree sap or other plant materials it encountered whilst climbing. The creature's lightweight build and specialised claws suggest it was an agile climber, spending much of its time in the forest canopy of Middle Jurassic China. Fossilised feather impressions found with specimens indicate this theropod was covered in primitive feathers, which would have provided insulation and possibly aided in gliding between trees.
What made Epidendrosaurus distinctive?
Epidendrosaurus had an extraordinarily elongated third finger that was longer than its entire body, curved claws adapted for climbing, and primitive feathers covering its tiny sparrow-sized frame. Its proportionally large hands and feet were perfectly designed for gripping branches and tree bark.
Behaviour
Epidendrosaurus was an arboreal creature that spent most of its time climbing in trees, using its sharp curved claws to grip bark and branches. It likely moved through the forest canopy by climbing and possibly gliding between trees using its elongated finger to support a wing membrane, hunting for insects and small prey amongst the foliage.
Discovery
Epidendrosaurus was first described by Zhang Fucheng in 2002. The original fossils were discovered at Daohugou Formation, Liaoning, China.
Epidendrosaurus FAQ
What did Epidendrosaurus eat?
Epidendrosaurus was a carnivore that primarily fed on insects and small invertebrates it found whilst climbing in trees. Its tiny size and arboreal lifestyle suggest it hunted for beetles, larvae, spiders, and other small creatures living in the forest canopy of
Middle Jurassic China.
How big was Epidendrosaurus?
Epidendrosaurus was incredibly small, measuring just 15 centimetres in total length and standing only 8 centimetres tall at the hip. It weighed approximately 10 grams, making it lighter than most modern songbirds and one of the smallest dinosaurs ever discovered.
When did Epidendrosaurus live?
Epidendrosaurus lived during the
Middle Jurassic period, approximately 165.3 million years ago. This places it in an important time period for understanding the evolution of flight in dinosaurs and their relationship to modern birds.
Where was Epidendrosaurus found?
Epidendrosaurus fossils were discovered in the Daohugou Formation in Liaoning Province, China. This fossil site is famous for its exceptional preservation, including soft tissues and feather impressions from various prehistoric creatures.
How do you pronounce Epidendrosaurus?
Epidendrosaurus is pronounced 'ep-ih-DEN-droh-SORE-us', with emphasis on the 'DEN' syllable. The name breaks down into 'epi' (upon), 'dendro' (tree), and 'saurus' (lizard).
What does Epidendrosaurus mean?
Epidendrosaurus means 'upon tree lizard', referring to its arboreal (tree-dwelling) lifestyle. The name reflects the dinosaur's adaptations for climbing and living in trees, which were evident from its specialized claws and body structure.
How fast could Epidendrosaurus run?
The running speed of Epidendrosaurus is unknown, but given its tiny size and arboreal adaptations, it likely wasn't built for ground-based speed. Instead, it was probably a nimble climber that moved quickly through tree branches rather than running on the ground.
What type of dinosaur was Epidendrosaurus?
Epidendrosaurus was a theropod dinosaur, specifically belonging to the family Scansoriopterygidae. It was a maniraptoran theropod, closely related to the evolutionary line that would eventually lead to modern birds.
Was Epidendrosaurus related to birds?
Yes, Epidendrosaurus was closely related to birds as a maniraptoran theropod. It possessed primitive feathers and belonged to the same major group of dinosaurs from which birds evolved. Its wing-like adaptations may represent an early experiment in powered or gliding flight.
How many Epidendrosaurus fossils have been found?
Very few Epidendrosaurus fossils have been discovered, and the genus is now considered synonymous with Scansoriopteryx. The known specimens include both juvenile and adult remains, all found in the exceptional fossil deposits of the Daohugou Formation in China.
