Andaikhudag Formation
Stratigraphic range: Hauterivian-Barremian
~132–125 Ma
TypeGeological formation
Lithology
PrimaryShale
OtherSandstone
Location
Coordinates46°00′N 99°36′E / 46.0°N 99.6°E / 46.0; 99.6
Approximate paleocoordinates47°12′N 100°18′E / 47.2°N 100.3°E / 47.2; 100.3
RegionBayankhongor Province
Country Mongolia
Andaikhudag Formation is located in Mongolia
Andaikhudag Formation
Andaikhudag Formation (Mongolia)

The Andaikhudag Formation, in older literature referred to as Unduruh Formation or Ondorukhaa Formation, is an Early Cretaceous (Hauterivian to Barremian) geologic formation in Mongolia.[1] Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[2]

Fossil content

The following fossils have been reported from the lacustrine shales and secondary sandstones of the formation:[1]

Birds
Insects

See also

References

  1. ^ a b Andaikhudag Formation in the Paleobiology Database
  2. ^ Weishampel et al., 2004, pp.517-607
  3. ^ Kurochkin, 2000
  4. ^ "Table 11.1," in Weishampel et al., 2004, p.214
  5. ^ Zelenkov & Averianov, 2015
  6. ^ Rasnitsyn, 1991
  7. ^ Rasnitsyn, 1993
  8. ^ Kopylov, 2009
  9. ^ Blagoderov, 2000
  10. ^ Kalugina, 1993
  11. ^ a b Ponomarenko, 1997
  12. ^ Sinitshenkova, 1987

Bibliography

Categories