Called Huashanosaurus qinithe brand-new dinosaur types is approximated to have actually been around 12 m(39 feet)long.

It resided in what is now China’s Guangxi self-governing area from the Early to Middle Jurassic, 200 to 162 million years earlier.

“Jurassic sauropods are well represented in China, particularly in Yunnan, Sichuan, Chongqing and Xinjiang, with just a few areas understood in Gansu, Ningxia, Anhui, Tibet and Guizhou,” stated lead author Dr. Jinyou Mo from the Natural History Museum of Guangxi and coworkers.

“In Guangxi, the Jurassic record of dinosaur fossils is bad, compared to the Cretaceous dinosaur fossil record.”

2 specimens of Huashanosaurus qini — consisting of a partial skeleton– were gathered at Huqiu Quarry of the Wangmen Formation near Dongshi town in Guangxi, southern China.

Some bony fish scales and teeth (potentially Lepidotes sp.), a number of insufficient plesiosaurian teeth, and numerous fragmentary dinosaur bones were discovered at the website.

“The geological age of the Wangmen Formation is under dispute,” the paleontologists stated.

“It was initially considered as early Early Jurassic, however paleontological proof was doing not have.”

“Scientists concerned it as the Early to Middle Jurassic based upon the discovery of charophytes from this development.”

According to the group, Huashanosaurus qini is a basal member of the Eusauropoda, an obtained group of sauropod dinosaurs.

“It is the 2nd eusauropod from Guangxi,” the scientists stated.

“The very first explained eusauropod, Jingia dongxingensiswas excavated from the Late Jurassic Dongxing Formation.”

The discovery of Huashanosaurus qini offers extra info about the evolutionary radiation of eusauropod dinosaurs.

Huashanosaurus qini is later-diverging than the Early Jurassic Vulcanodon Tazoudasaurusand Gongxianosaurusin addition to the Early to early Middle Jurassic Barapasaurus,” the researchers stated.

“Generally, it is acknowledged that the significant radiation of eusauropods took place throughout completion of the Early Jurassic and Middle Jurassic period.”

“From this viewpoint, the discovery of the eusauropod Huashanosaurus qini offers extra proof for an Early to Middle Jurassic age for the Wangmen Formation.”

The findings were released in the journal Acta Geologica Sinica

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Jinyou Mo et al2025. A New Eusauropod Dinosaur from the Lower and Middle Jurassic Wangmen Formation of Ningming County, Guangxi, South China. Acta Geologica Sinica 99 (4 ): 909-924; doi: 10.1111/ 1755-6724.15331