Khuren Dukh Formation

The Khuren Dukh Formation, also known as the Hühteeg Svita, (Mongolian: Хөхтээг формаци, Khökhteeg Formatsi) is a geological formation in Mongolia whose strata date back to the middle to late Albian.[1] Dinosaur remains are among the fossils that have been recovered from the formation.[2]

Khuren Dukh Formation
Stratigraphic range: Mid-Late Albian 107–100 Ma
TypeGeological formation
Sub-unitsLower, Middle & Upper Members
UnderliesTerrace deposit, Basalt
OverliesKhalzan Uul Formation, Basement
ThicknessOver 100 m (330 ft)
Lithology
PrimarySandstone, conglomerate, siltstone, mudstone
Location
Coordinates45.9°N 108.4°E / 45.9; 108.4
Approximate paleocoordinates49.3°N 100.2°E / 49.3; 100.2
RegionDornogovi Province
Country Mongolia
ExtentChoyr Basin
Khuren Dukh Formation (Mongolia)

Vertebrate paleofauna

Dinosaurs

Dinosaurs of the Khuren Dukh Formation (Hühteeg Svita)
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Altirhinus A. kurzanovi "Complete skull, partial skull, associated postcrania, several individuals."[3] A hadrosauroid ornithopod
Choyrodon[4] C. barsboldi Partial skull, cervical ribs A hadrosauroid ornithopod
Iguanodon I. orientalis An indeterminate Iguanodont. A referred skull was reclassified as Altirhinus.
Harpymimus[5] H. okladnikovi Partial skeleton An ornithomimosaur

Choristoderes

Choristoderes of the Khuren Dukh Formation (Hühteeg Svita)
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Khurendukhosaurus K. orlovi, Indeterminate Partial skeleton Long-necked choristodere
Tchoiria T. namsarai Crocodile-like neochoristoderan.
Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

See also

  • List of dinosaur-bearing rock formations

References

  1. Nichols et al., 2006
  2. Weishampel et al., 2004, pp.563-570
  3. "Table 19.1," in Weishampel, et al. (2004). Page 415.
  4. Gates et al., 2018
  5. Barsbold & Perle, 1984

Bibliography

  • Gates, Terry A.; Khishigjav Tsogtbaatar; Lindsay E. Zanno; Tsogtbaatar Chinzorig, and Mahito Watabe. 2018. A new iguanodontian (Dinosauria: Ornithopoda) from the Early Cretaceous of Mongolia. PeerJ 6. e5300. doi:10.7717/peerj.5300 PMC 6078070 PMID 30083450
  • Nichols, Douglas J.; Masaki Matsukawa, and Makoto Ito. 2006. Palynology and age of some Cretaceous nonmarine deposits in Mongolia and China. Cretaceous Research 27. 241–251. doi:10.1016/j.cretres.2005.11.004 ISSN 0195-6671
  • Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
  • Barsbold, R., and A. Perle. 1984. On first new find of a primitive orithomimosaur from the Cretaceous of the MPR. Paleontologicheskii zhurnal 2. 121-123.
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