Open Paleo

Huashanosaurus

Mo et al., 2025 hwah-SHAH-no-SOR-us

Huashan Mountain lizard; named after Huashan Mountain in China, combined with Greek sauros (lizard)

Huashanosaurus is an extinct genus of eusauropod sauropod dinosaurs known from the Early-Middle Jurassic Wangmen Formation of China. The genus contains a single species, Huashanosaurus qini, known from a fragmentary partial skeleton.

Diagnosis

  1. Posterior process of ulna hook-shaped
  2. Proximal ulna crescent-shaped in cross-section below posterior process
  3. Groove structure present at posterodistal surface of fibula
  4. Dorsal surface of anteromedial process of ulna strongly concave

Species

Huashanosaurus qini Mo et al., 2025

Type species

Named for Jian Qin, the local teacher who discovered the specimen near Dongshi Village in Guangxi, China.

Holotype
NHMG 034093 , Natural History Museum of Guangxi Zhuang Autonomous Region
Material
Disarticulated partial skeleton including incomplete dorsal centrum, incomplete dorsal rib, distal left humerus, proximal left ulna, manual phalanx, incomplete left ilium, distal femur, distal fibula, incomplete metatarsal V, incomplete pedal ungual
Horizon
Wangmen Formation, Early Jurassic–Middle Jurassic
Locality
Huqiu Quarry, Guangxi, China Mo and colleagues (2025) give the horizon as "Wangmen Formation, Early to Middle Jurassic (Meng, 2000)", naming no stage.

References

  1. Mo, J.; Zhou, X.; Fu, Q.; Xiong, D.; Hu, M.; Xu, X. (2025). A New Eusauropod Dinosaur from the Lower and Middle Jurassic Wangmen Formation of Ningming County, Guangxi, South China. Acta Geologica Sinica (English Edition) 99(4): 909-924. Wiley. doi:10.1111/1755-6724.15331 mo2025a
  2. Meng, Y. Y. (2000). [The discovery of Jurassic charophytes from the northern margin in the Shiwandashan basin, and its significances]. Guangxi Geology (3): 19-21.

    Cited by Mo and colleagues (2025) for the Early to Middle Jurassic age of the Wangmen Formation, from charophytes.

    meng2000a