Tongtianlong

Lü et al., 2016 TONG-tee-YEN-long

Combines a reference to the nearby Tongtianyan grotto in Jiangxi, China, with Chinese 'long' meaning 'dragon'; 'Tongtian' also means 'road to heaven' in Chinese.

72.2–66.0 million years ago Maastrichtian, Late Cretaceous
Late Cretaceous stages

Tongtianlong is a genus of oviraptorid theropod dinosaurs that lived in the late Maastrichtian epoch of the late Cretaceous period. It contains one species, T. limosus.

Diagnosis

  1. Dome-like skull roof with highest point above posterodorsal corner of orbit
  2. Anterior margin of premaxilla highly convex in lateral view
  3. Plate-like lacrimal shaft that is anteroposteriorly long with flat lateral surface
  4. Distinct process at middle of anterior margin of parietal on skull roof
  5. Foramen magnum smaller than occipital condyle
  6. Absence of symphyseal ventral process of dentary

Species

Tongtianlong limosus Lü et al., 2016

Type species

From Latin 'limosus' meaning 'muddy', referring to how the holotype specimen was preserved in mudstone, with the specimen's unusual death pose speculatively interpreted as the animal having died while trapped in mud.

Holotype
DYM-2013-8 , Dongyang Museum
Material
Nearly complete skeleton
Horizon
Nanxiong Formation, Maastrichtian, Late Cretaceous , 72.2–66.0 million years ago
Locality
No. 3 high school of Ganxian, Jiangxi, China

References

  1. Lü, J.; Chen, R.; Brusatte, S. L.; Zhu, Y.; Shen, C. (2016). A Late Cretaceous diversification of Asian oviraptorid dinosaurs: evidence from a new species preserved in an unusual posture. Scientific Reports 6(1). Springer Science and Business Media LLC. doi:10.1038/srep35780 lü2016a
  2. Jones, B. (2026). The Princeton Encyclopedia of Dinosaurs: Theropods. Princeton University Press.

    Source of the body length, mass, and hip height estimates, and the appearance features.

    jones2026c