Coelurosauravus Facts
Note: Although historically classified as a dinosaur, Coelurosauravus is no longer considered one based on current scientific understanding. It remains a fascinating prehistoric creature.
Pronunciation: SEE-lure-oh-sore-AH-vus
Name meaning: Hollow Lizard Grandfather
| Diet | Carnivore |
| Wing Span | 0.1m |
| Length | 0.4m |
| Weight | 50 g |
| Environment | Air |
| Era | Triassic |
| Period | Late Permian |
| Type | Other |
| Location | Madagascar |
Although once classified as a dinosaur, Coelurosauravus is now known to be an extinct gliding reptile that lived during the Late Permian period, approximately 259 million years ago in what is now Madagascar. This remarkable creature predated the first dinosaurs by tens of millions of years, belonging to an entirely different group of reptiles called weigeltisaurids.
Coelurosauravus was a small, lightweight reptile measuring about 40 centimetres in length. Its most extraordinary feature was a set of long, rod-like bony structures that projected outwards from its body. Unlike the wing membranes of bats or pterosaurs, these bony rods were not extensions of ribs but were unique skeletal elements found only in weigeltisaurids. During life, these structures supported folding wing membranes that allowed Coelurosauravus to glide through the ancient forests of Madagascar.
As a carnivorous reptile, Coelurosauravus likely fed on insects and other small prey items that it could catch whilst gliding between trees or whilst perched on branches. Its gliding ability would have been similar to modern Draco lizards, allowing it to escape predators and efficiently travel between feeding sites in the forest canopy.
The discovery of Coelurosauravus has provided crucial insights into the evolution of gliding flight in vertebrates, showing that this remarkable adaptation evolved independently multiple times throughout Earth's history, long before the age of dinosaurs began.
What made Coelurosauravus distinctive?
Coelurosauravus possessed unique long, rod-like bony projections extending from its body that supported folding wing membranes for gliding. These skeletal rods were not modified ribs but entirely separate bones found only in its family group, making it instantly recognisable amongst Permian reptiles.
Behaviour
Coelurosauravus was an arboreal glider that likely spent most of its time in trees, using its wing membranes to glide between branches and escape ground-dwelling predators. It probably folded its wings against its body when not gliding, similar to how modern Draco lizards behave.
Coelurosauravus FAQ
What did Coelurosauravus eat?
Coelurosauravus was a carnivore that fed primarily on insects and other small prey. As a gliding reptile living in forest canopies, it would have hunted flying insects and small invertebrates that it could catch whilst perched on branches or during gliding flights between trees.
How big was Coelurosauravus?
Coelurosauravus was quite small, measuring about 40 centimetres in total length and standing approximately 10 centimetres high. It weighed around 50 grams, making it roughly the size of a small modern lizard, which was ideal for its gliding lifestyle.
When did Coelurosauravus live?
Coelurosauravus lived during the Late Permian period, approximately 259.51 million years ago. This was long before the age of dinosaurs, during a time when the supercontinent Pangaea was forming and early reptile groups were diversifying rapidly.
Where was Coelurosauravus found?
Fossils of Coelurosauravus have been discovered in Madagascar, specifically in the Sakamena Formation. During the Late Permian, Madagascar was part of the southern supercontinent Gondwana and had a very different climate and ecosystem than today.
How do you pronounce Coelurosauravus?
Coelurosauravus is pronounced 'SEE-lure-oh-sore-AH-vus'. The name can be broken down into parts: 'Coeluro' meaning hollow, 'saur' meaning lizard, and 'avus' meaning grandfather or ancestor.
What does Coelurosauravus mean?
The name Coelurosauravus means 'Hollow Lizard Grandfather' or 'Hollow Lizard Ancestor'. This name reflects both its reptilian nature and its ancient age, living long before many other reptile groups evolved.
How fast could Coelurosauravus run?
The running speed of Coelurosauravus is unknown, but as a small gliding reptile, it likely wasn't built for fast ground movement. Instead, it would have relied on its gliding ability to move efficiently through the forest canopy, much like modern gliding lizards.
What type of dinosaur was Coelurosauravus?
Coelurosauravus was not actually a dinosaur at all. It was a gliding reptile that belonged to the family Weigeltisauridae and lived during the Late Permian, over 50 million years before the first dinosaurs appeared. It represents a completely separate evolutionary lineage of reptiles.
Was Coelurosauravus related to birds?
No, Coelurosauravus was not related to birds. Birds evolved from theropod dinosaurs much later in Earth's history, whilst Coelurosauravus was an ancient gliding reptile from the Permian period. Its gliding abilities evolved completely independently from the flight capabilities of birds.
How many Coelurosauravus fossils have been found?
Relatively few fossils of Coelurosauravus have been discovered, with specimens primarily known from the Sakamena Formation in Madagascar. The fossils are well-preserved enough to show the remarkable wing-supporting bone structures, but more discoveries would help scientists better understand this ancient gliding reptile.
