Open Paleo

Huangshanlong

Huang et al., 2014 hwohng-SHAHN-long

Huangshan dragon; named after Huangshan (Yellow Mountain) in Anhui Province, China, combined with Chinese long (dragon)

Huangshanlong is a genus of mamenchisaurid dinosaurs native to the Anhui province of China. It contains a single species, Huangshanlong anhuiensis, which represents, along with Anhuilong and Wannanosaurus, one of the three dinosaurs found in Anhui province.

Diagnosis

  1. Proximal humerus length 36% of total humeral length
  2. Transverse length ratio: radius 58% of humerus, ulna 67% of humerus
  3. Accessory processes located near middle of distal humerus anterior edge
  4. Two cranial processes on proximal ulna form angle of ~90° or less
  5. Craniomedial ulnar process longer than craniolateral process
  6. Ridges developed on cranial, caudomedial, and caudolateral faces of distal ulna

Species

Huangshanlong anhuiensis Huang et al., 2014

Type species

Named for Anhui Province of China, where the specimen was found.

Holotype
AGB 5818 , Geological and Paleontological Museum of Anhui
Material
Right humerus, radius, and ulna.
Horizon
upper Hongqin Formation, Middle Jurassic
Locality
Jimushan, Anhui, China

References

  1. Huang, J. D.; You, H. L.; Yang, J. T.; Ren, X. X. (2014). A new sauropod dinosaur from the Middle Jurassic of Huangshan, Anhui Province. Vertebrata PalAsiatica 52(4): 390-400. huang2014a
  2. Ren, X. X.; Huang, J. D.; You, H. L. (2020). The second mamenchisaurid dinosaur from the Middle Jurassic of Eastern China. Historical Biology 32(5): 602-610. Informa UK Limited. doi:10.1080/08912963.2018.1515935

    Places the Jimushan site in Shexian, which the describing paper gives inconsistently.

    ren2020b