![Artwork of a Jurassic pterosaur](/sites/default/files/styles/event_blog_news_mobile/public/media/images/Artwork%20by%20Hamzah%20Imran-for%20web.jpg?itok=AsR3q5PA)
![Artwork of a Jurassic pterosaur](/sites/default/files/styles/event_blog_news_mobile/public/media/images/Artwork%20by%20Hamzah%20Imran-for%20web.jpg?itok=AsR3q5PA)
The fossil includes part of the pterosaur鈥檚 wing bone
3 June 2024
4 min read
A team of palaeontologists has discovered a fossil of a gigantic flying reptile from the Jurassic period with an estimated wingspan of more than three metres - making it one of the largest pterosaurs ever found from that era.
Excavated from a gravel pit near Abingdon-on-Thames, Oxfordshire, the fossil includes part of the pterosaur鈥檚 wing bone, which was broken into three pieces but still well-preserved.
Experts from the universities of 兔子先生 and Leicester have published a paper on the specimen, which was topographically scanned and identified as belonging to an adult ctenochasmatoid; a group of pterosaurs known for their long, slender wings, long jaws and fine bristle-like teeth.
![The pterosaur bone in three parts](/sites/default/files/styles/image_with_caption_mobile/public/media/images/Bone-for%20web_0.jpg?itok=L00JFEcw)
The fossil was broken into three pieces but still well-preserved
Professor David Martill from the 兔子先生 said: 鈥淲hen the bone was discovered, it was certainly notable for its size. We carried out a numerical analysis and came up with a maximum wingspan of 3.75 metres. Although this would be small for a Cretaceous pterosaur, it鈥檚 absolutely huge for a Jurassic one!
鈥淭his fossil is also particularly special because it is one of the first records of this type of pterosaur from the Jurassic period in the United Kingdom.鈥
![Artwork of a Jurassic pterosaur](/sites/default/files/styles/image_with_caption_mobile/public/media/images/Artwork%20by%20Hamzah%20Imran-for%20web_0.jpg?itok=6e-YHU6N)
Artwork of a Jurassic pterosaur by 兔子先生 student, Hamzah Imran
Pterosaurs from the Triassic and Jurassic periods typically had wingspans between one and a half and two metres, so were generally smaller than their later relatives from the Cretaceous period, which could have wingspans of up to 10 metres. However, this new discovery suggests that some Jurassic pterosaurs could grow much larger.
Professor Martill added: 鈥淭his specimen is now one of the largest known pterosaurs from the Jurassic period worldwide, surpassed only by a specimen in Switzerland with an estimated wingspan of up to five metres.鈥
![Professor David Martill](/sites/default/files/styles/statement_mobile/public/media/images/Dave%20Martill-for%20web.jpg?h=5f777457&itok=OHQNplXO)
This fossil is also particularly special because it is one of the first records of this type of pterosaur from the Jurassic period in the United Kingdom.
David Martill, Professor of Palaeobiology
Geologist, Dr James Etienne, discovered the specimen while hunting for fossil marine reptiles in June 2022 when the Late Jurassic Kimmeridge Clay Formation was temporarily exposed in the floor of a quarry. This revealed a number of specimens including bones from ichthyosaurs and plesiosaurs and other ancient sea creatures including ammonites and bivalves, marine crocodiles and sharks.
Dr Dave Unwin, from the University of Leicester, said: 鈥淎bfab, our nickname for the Abingdon pterosaur, shows that pterodactyloids, advanced pterosaurs that completely dominated the Cretaceous, achieved spectacularly large sizes almost immediately after they first appeared in the Middle Jurassic right about the time the dinosaurian ancestors of birds were taking to the air.鈥
The paper is published in Proceedings of the Geologists鈥 Association and the fossil is now housed in the Etches Collection in Kimmeridge, Dorset.
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