Sanchusaurus
Encyclopedia
"Sanchusaurus" is an informal name
for a ornithomimid dinosaur
from the Early Cretaceous
period of Asia. It is only known by a partial tail vertebra, found in Nakasato, Japan
. It may be synonymous with Gallimimus
; Dong Zhiming
and coauthors assigned to Gallimimus sp. in 1990. The genus has not been formally described and is considered a nomen nudum
. It was first mentioned by Hisa in 1985.
Nomen nudum
The phrase nomen nudum is a Latin term, meaning "naked name", used in taxonomy...
for a ornithomimid 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...
from the Early Cretaceous
Early Cretaceous
The Early Cretaceous or the Lower Cretaceous , is the earlier or lower of the two major divisions of the Cretaceous...
period of Asia. It is only known by a partial tail vertebra, found in Nakasato, Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
. It may be synonymous with Gallimimus
Gallimimus
Gallimimus is a genus of ornithomimid theropod dinosaur from the late Cretaceous period Nemegt Formation of Mongolia. With individuals as long as , it was one of the largest ornithomimosaurs...
; Dong Zhiming
Dong Zhiming
Dong Zhiming , from the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing, is one of China's leading paleontologists. He began working at the IVPP in 1962, learning from Yang Zhongjian who was director at the time...
and coauthors assigned to Gallimimus sp. in 1990. The genus has not been formally described and is considered a nomen nudum
Nomen nudum
The phrase nomen nudum is a Latin term, meaning "naked name", used in taxonomy...
. It was first mentioned by Hisa in 1985.