Zuolong is 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 coelurosaur dinosaur

Dinosaur

Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of...

 which existed in what is now Wucaiwan, Xinjiang Autonomous Region of China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 during the Late Jurassic

Late Jurassic

The Late Jurassic is the third epoch of the Jurassic Period, and it spans the geologic time from 161.2 ± 4.0 to 145.5 ± 4.0 million years ago , which is preserved in Upper Jurassic strata. In European lithostratigraphy, the name "Malm" indicates rocks of Late Jurassic age...

 period (lower Oxfordian stage

Oxfordian stage

The Oxfordian is, in the ICS' geologic timescale, the earliest age of the Late Jurassic epoch, or the lowest stage of the Upper Jurassic series. It spans the time between 161.2 ± 4 Ma and 155.7 ± 4 Ma...

, around 160 mya). The holotype

Holotype

A holotype is a single physical example of an organism, known to have been used when the species was formally described. It is either the single such physical example or one of several such, but explicitly designated as the holotype...

 fossil of Zuolong, IVPP V15912, a partial skeleton with skull, was discovered in 2001 in China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

, in the upper part of the Shishugou Formation

Shishugou Formation

The Shishugou Formation is a geological formation in Xinjiang, China, whose strata date back to the Late Jurassic period. Dinosaur remains are among the fossils that have been recovered from the formation....

 of Xinjiang

Xinjiang

Xinjiang is an autonomous region of the People's Republic of China. It is the largest Chinese administrative division and spans over 1.6 million km2...

. It was a subadult animal which measured approximately 3.1 metres (10.2 ft) in length and weighed up to approximately 35 kilograms (77.2 lb). Zuolong was named by Jonah N. Choiniere, James M. Clark, Catherine A. Forster and Xu Xing in 2010

2010 in paleontology

-Anomalocaridids:-Newly named crustaceans:-Newly named insects:* A new family, Cascopleciidae, is published by Poinar Jr.* A new family of ceraphronoid Hymenopters, Radiophronidae, is published by Ortega-Blanco, Rasnitsyn, and Delclòs....

, and the type species

Type species

In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...

 is Zuolong salleei. The generic name honours General Zuo Zongtang

Zuo Zongtang

Zuo Zongtang , spelled Tso Tsung-t'ang in Wade-Giles and known simply as General Tso in the West, was a Chinese statesman and military leader in the late Qing Dynasty....

, who secured Xinjiang for China in the nineteenth century. The specific name honours Hilmar Sallee, whose bequest

Bequest

A bequest is the act of giving property by will. Strictly, "bequest" is used of personal property, and "devise" of real property. In legal terminology, "bequeath" is a verb form meaning "to make a bequest."...

helped finance the research.