Weigeltisaurus
Encyclopedia
Weigeltisaurus was a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of avicephalan
Avicephala
thumb|right|Artist's reconstruction of [[Coelurosauravus]]Avicephala is a possibly polyphyletic and therefore disused clade of diapsid reptiles that lived during the Late Permian and Triassic periods...

 reptile that lived in Madagascar
Madagascar
The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...

 about 280 million years ago, during the Permian Period. It had "wings" consisting of ribs protruding from its body and being joined by skin, allowing it to glide. This lizard-like reptile possibly had a very small frill at the back of its head covering most of its neck area . This animal may be the same as Coelurosauravus
Coelurosauravus
Coelurosauravus is a genus of basal diapsid reptile, with specialized wing-like structures allowing it to glide. These were rod like structures with skin stretched over them; this feature is unique to the genus....

, therefore possibly making the name redundant.
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