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  • 21 Aug, 2019

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Ejinhoro Formation

The Ejinhoro Formation (simplified Chinese: 伊金霍洛组; traditional Chinese: 伊金霍洛組; pinyin: Yījīnhuòluò Zǔ) is a geological formation in Inner Mongolia, north China, whose strata date back to the Early Cretaceous period (Aptian/Albian age.

Dinosaur remains are among the fossils that have been recovered from the formation.

Fossil content

Mammals

Mammals
Taxa Presence Notes Images

Genus:

  1. H. chowi

A single dentary

A gobiconodontid

Dinosaurs

Dinosaurs
Taxa Presence Notes Images

Genus:

  1. C. sp.

Isolated teeth.

A sauropod.

Sinornithoides
Wuerhosaurus
  1. P. neimongoliensis
  2. P. ordosensis
A ceratopsian.
  1. "[One] nearly complete skeleton and other fragmentary material."
  2. "Partial cranial material."
  1. indeterminate
A large saurischian.
  1. S. youngi

"Near-complete articulated skeleton."

A troodontid.
  1. indeterminate

Isolated teeth.

A stegosaurid.

  1. W. ordosensis
A large stegosaurid. "Partial skeleton, plate, vertebra, adult."

Pterosaurs

Indeterminate pterosaur remains have also been recovered from the formation.

See also

References

  1. ^ Sereno, P.C. (2010). "Taxonomy, cranial morphology, and relationships of parrot-beaked dinosaurs (Ceratopsia: Psittacosaurus)." New Perspectives on Horned Dinosaurs. Bloomington: Indiana, 21-58.
  2. ^ Weishampel, David B; et al. (2004). "Dinosaur distribution (Early Cretaceous, Asia)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 563-570. ISBN 0-520-24209-2.
  3. ^ Zofia Kielan-Jaworowska, Richard L. Cifelli, Zhe-Xi Luo (2004). "Chapter 12: Metatherians". Mammals from the Age of Dinosaurs: origins, evolution, and structure. New York: Columbia University Press. p. 243. ISBN 978-0-231-11918-4.{{cite book}}: CS1 maint: multiple names: authors list (link)
  4. ^ "Table 22.1," in Weishampel, et al. (2004). Page 479.
  5. ^ "Table 9.1," in Weishampel, et al. (2004). Page 185.
  6. ^ "Table 16.1," in Weishampel, et al. (2004). Page 345.
  7. ^ 2008 - Zitteliana - Pterosaurs