Barun Goyot Formation
| Barun Goyot Formation Stratigraphic range: Late Cretaceous |
|
|---|---|
| Type | Geological formation |
| Location | |
| Region | Asia |
| Country |  Mongolia |
The Barun Goyot Formation (West Goyot Formation), dating from the Late Cretaceous Period, is located within and is widely represented in the Gobi Desert basin, in the Ömnögovi Province of Mongolia.
It was previously known as the "Lower Nemegt Beds", occurring beneath the Nemegt Formation and above the Djadokhta Formation. The Red Beds of Khermeen Tsav are also considered part of this formation. It is approximately 4 inches in thickness and was laid down roughly 80-71 mya, making it uncertain whether it should be classed as Campanian or Maastrichtian, although the latter is less likely. The Barun Goyot Formation preserves an environment of sand dunes, created from wind-eroded rocks (aeolian dunes).
Contents |
[edit] Vertebrate paleofauna
[edit] Saurischians
| Saurischians reported from the Barun Goyot Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Material | Notes | Images | |
|
Indeterminate |
|
An avimimid similar to Avimimus portentosus from the Nemegt Formation. |
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|
C. oculatus |
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C. gracilis |
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An oviraptorid |
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G. minuta |
"Embryonic skulls and skeletons."[2] |
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H. luceria |
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H. perlei |
"Partial foot."[3] |
A maniraptoran of uncertain classification |
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|
"Ingenia" |
"I." yanshini |
|
An oviraptorid |
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|
Indeterminate |
|
An alvarezsaurid. |
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Oviraptorinae indet.[1] |
Indeterminate |
|
An oviraptorid. |
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P. remotus |
|
"Partial postcranial skeleton."[4] |
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Sauropoda indet. |
Indeterminate |
|
A sauropod. |
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Velociraptorinae indet.[1] |
Indeterminate |
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[edit] Lizards
| Lizards of the Barun Goyot Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic Position | Abundance | Notes | Images |
|
Estesia mongoliensis |
An anguimorph. |
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Ovoo gurvel |
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Proplatynotia longirostrata |
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Gobiderma pulchrum |
A Monstersaur. |
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[edit] Mammals
| Mammals of the Barun Goyot Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic Position | Abundance | Notes | Images |
|
Asiatherium reshetovi |
A marsupial. | |||||
|
Asioryctes nemegetensis |
A placental. |
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|
Barunlestes butleri |
A placental. |
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|
Catopsbaatar catopsaloides |
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|
Chulsanbaatar vulgaris |
A multituberculate. |
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|
Deltatheridium pretrituberculare |
A marsupial. |
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|
Nemegtbaatar gobiensis |
A multituberculate. | |||||
[edit] Ornithischians
| Ornithischians of the Barun Goyot Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Material | Notes | Images | |
|
B. rozhdestvenskyi |
"[Five] complete skulls, [twenty] fragmentary skulls, postcranial skeletons, juvenile to adult."[5] |
A ceratopsian. | ||||
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Breviceratops kozlowskii |
A ceratopsian. |
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Lamaceratops tereschenkoi |
A ceratopsian. |
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Platyceratops tatarinovi |
A ceratopsian. |
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S. chulsanensis |
"."[6] |
An ankylosaur. |
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T. gigantea |
|
An ankylosaur. |
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T. gilmorei |
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[edit] See also
- List of fossil sites (with link directory)
- List of dinosaur-bearing rock formations
[edit] References
- ^ a b c d e f g h i j k l m n o p q Nicholas R. Longrich, Philip J. Currie, Dong Zhi-Ming (2010). "A new oviraptorid (Dinosauria: Theropoda) from the Upper Cretaceous of Bayan Mandahu, Inner Mongolia". Palaeontology 53 (5): 945–960. doi:10.1111/j.1475-4983.2010.00968.x.
- ^ "Table 11.1," in Weishampel, et al. (2004). Page 213.
- ^ "Table 10.1," in Weishampel, et al. (2004). Page 199.
- ^ "Table 11.1," in Weishampel, et al. (2004). Page 211.
- ^ "Table 22.1," in Weishampel, et al. (2004). Page 479.
- ^ "Table 17.1," in Weishampel, et al. (2004). Page 364.
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