''Yunyangosaurus'' (meaning "

Yunyang County Yunyang County () is a county in the northeast of Chongqing Municipality, China, bordering Hubei province to the south. In eastern Chongqing is Yunyang County with over 1,400 years of history and a reputation as the 'Bright Pearl of Chongqing'. ...

lizard") is a genus of possible

megalosauroid Megalosauroidea (meaning 'great/big lizard forms') is a superfamily (or clade) of tetanuran theropod dinosaurs that lived from the Middle Jurassic to the Late Cretaceous period. The group is defined as ''Megalosaurus bucklandii'' and all taxa sha ...

dinosaur Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the evolution of dinosaurs is t ...

from the Xintiangou Formation in

Chongqing Chongqing ( or ; ; Sichuanese dialects, Sichuanese pronunciation: , Standard Mandarin pronunciation: ), Postal Romanization, alternately romanized as Chungking (), is a Direct-administered municipalities of China, municipality in Southwes ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

. The type and only species is ''Yunyangosaurus puanensis''. The name was first published in the 2019 SVP abstract book by Hui (2019) before it was formally described in 2020.Dai Hui, (2019), "A NEW MEGALOSAURID THEROPOD FROM THE MIDDLE JURASSIC XINTIANGOU FORMATION OF CHONGQING, PEOPLE’S REPUBLIC OF CHINA AND ITS IMPLICATION FOR EARLY TETANURAN EVOLUTION", ''SVP 2019, Annual Meeting, Program and Abstracts'', 79A: 86 The specimen consists of a disarticulated partial skeleton consisting of "eleven presacral vertebrae, several cervical and dorsal ribs and chevrons." Judging from the remains, the animal would have been 4.7 meters (15.4 feet) long.

References

Prehistoric tetanurans Middle Jurassic dinosaurs of Asia Jurassic China Fossil taxa described in 2020 Megalosaurs Taxa named by Xu Xing {{theropod-stub