Djadochta Formation - Fauna - Saurischians

Saurischians

A sauropod of uncertain classification is known from the formation.

Color key
Notes
Uncertain or tentative data are in ; crossed out data are discredited.
Saurischian dinosaurs reported from the Djadochta Formation
Genus Species Location Material Notes Images

Apsaravis

A. ukhaana

  • Ukhaa Tolgod

"Partial postcranial skeleton."

A basal ornithurine bird only known from this formation.

Archaeornithoides

A. deinosauriscus

  • Bayn Dzak

"Partial skull."

A coelurosaur of uncertain relationships

Byronosaurus

B. jaffei

  • Ukhaa Tolgod

"Skull and fragmentary postcranium, fragmentary skull."

A troodontid

Citipati

C. osmolskae

  • Ukhaa Tolgod

"Skeleton with skull, partial postcranium, embryo to adult."

An oviraptorid found brooding its eggs

Citipati sp.

  • Zamyn Khondt

An oviraptorid with a distinctive, tall crest

Khaan

K. mckennai

  • Ukhaa Tolgod

" skeletons with skulls."

An oviraptorid

Kol

K. ghuva

  • Ukhaa Tolgod

An alvarezsaurid

Mahakala

M. omnogovae

  • Tugriken Shireh

A dromaeosaurid

Oviraptor

O. philoceratops

  • Bayan Dzak

" partial skeleton with skull"

An oviraptorid.

Indeterminate

  • Tugriken Shireh

An alvarezsaurid.

Quaesitosaurus

Q. orientalis

"Partial skull."

Saurornithoides

S. mongoliensis

  • Bayan Dzak

"Skull with fragmentary postcranial skeleton."

A troodontid.

Shuvuuia

S. deserti

  • Ukhaa Tolgod
  • Zos Wash

"Skull and postcranial skeleton."

An alvarezsaurid

Tyrannosauridae indet.

Indeterminate

  • Bayan Dzak
  • Bayan Mandahu

A tyrannosaurid possible referable to Alectrosaurus.

Tsaagan

T. mangas

  • Ukhaa Tolgod

A dromaeosaurid

Velociraptor

V. mongoliensis

  • Bayan Dzak
  • Tugriken Shireh

A dromaeosaurid.

Unnamed dromaeosaurid

Unnamed

  • Zos Wash

Unnamed troodontid

Unnamed, specimen IGM 100/1005

  • Zos Wash

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