Paleontologists have discovered a fragmentary skeleton of a new Lamboosaurin hadrosaurus dinosaur in the Daranshan Formation in the Cretaceous period of southern China.
Skeletal material present in Lambeosaurin specimens from the Upper Darranshan Formation of Cretaceous period in southern China. Image credit: Wang et al. , doi: 10.1080/08912963.2025.2454652.
The fragmentary skeleton of a single hadrosaurus individual is Daranshan Formation Near Zhaoqing city in Guangdong Province, China.
The specimen is between 70-67 million years old (Maastrichtian Age), and includes vertebrae, humerus, ilium, femur and tibia.
“The specimens were collected from the Sanshui Basin in the northwest of the Pearl River Delta in southern China, the inland basin closest to the South China Sea, a land source in South China,” colleagues.
“A large area of the Upper Cretaceous layer, divided into two large deposition zones, occurs within it.”
“Stratigraphy is well understood, but few vertebrate fossils were found except for the aforementioned Tyrannosauld teeth at the Typingansite.”
“The new Lamboosaurin was found in the red gravel of the second member of the Daranshan Formation.”
Individuals were members of the tribe Lambeo Sauriniotherwise it is not often expressed in the Chinese fossil record.
“The Hadrosaurudoa fossil record occurs throughout the lower and upper Cretaceous layers of the world,” the paleontologist said.
“Hadrosauroids consist of a graded basal member and a derived Hadrosauridae, the latter consisting of the Lamboosaurus River and Hadrosaurinae or Saurolophinae.”
“The most distinctive character that unites the Lambeosaurin hadrosaurin-like group is the hollow skull, formed by the pair's anterior exosarobes and noses, which may have functioned in acoustic and/or visual signaling.”
“The fossil record of Lambo Osaurinae ranges from the Santonian to the Maastrichtian.”
“To date, four species have been discovered in China. Charonosaurus jiayinensis, Jaxartosaurus sp. , Tsintaosaurus Spinorhinusand Sahaliyania Elunchunorum. ”
Researchers say the new specimen is the first known Lamboosaurin in southern China.
“It represents the first hadrosaurus from the Sanshui Basin and the first Lamboosaurin from southern China,” they said.
“This specimen suggests the possibility of future fossil discoveries in Cretaceous sediments of the Sanshui Basin, indicating that the area was once home to typical late Cretaceous Cretaceous dinosaur animals. It's there.”
Team's paper Published in the journal Historical Biology.
____
Donghao Wang et al. 2025. The first occurrence of the ducked dinosaur tribe Lambosaurini (Hadrosauridae: Lambosaurinae) in southern China. Historical BiologyPublished online on January 25th, 2025. doi:10.1080/08912963.2025.2454652
Source: www.sci.news
