northeastern end, Öösh locality (AMNH/IGM): Early/Lower Cretaceous, Mongolia
collected by AMNH/IGM 1997-2005
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Squamata
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Squamata indet.
Oppel 1811
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Turner et al. 2007 | |||||||||
| "nonautarchoglossan" caudal plus other specimens | ||||||||||
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Reptilia
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Autarchoglossa indet.
Wagler 1830
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Turner et al. 2007 | |||||||||
| "nonvaranoid, nonsnake" | ||||||||||
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Gekkonomorpha indet.
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Turner et al. 2007 | 1 individual | ||||||||
| skull | ||||||||||
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Psittacosaurus sp.
Osborn 1923
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Turner et al. 2007 | |||||||||
| "ubiquitous" | ||||||||||
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Reptilia
- Theropoda
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Theropoda indet.
Marsh 1881
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Turner et al. 2007 | |||||||||
| large teeth | ||||||||||
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Reptilia
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Paraves indet.
Sereno 1997
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Turner et al. 2007 | 1 individual | ||||||||
| pes | ||||||||||
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Reptilia
- Dromaeosauridae
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Shanag ashile n. gen., n. sp.
Turner et al. 2007
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Turner et al. 2007 | 1 specimen | ||||||||
| IGM 100/1119 | ||||||||||
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Reptilia
- Avetheropoda
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Avetheropoda indet.
Paul 1988
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Turner et al. 2007 | 1 specimen | ||||||||
| postorbital; "noncoelurosaur (allosauroid?) or basal tyrannosauroid" | ||||||||||
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Reptilia
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Tapejaroidea indet.
(Kellner 1989)
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1 specimen | |||||||||
| IGM 100/1321, mid-cervical vertebra | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Mongolia | State/province: | Ovorkhangai |
| Coordinates: | 44.2° North, 102.7° East (view map) | ||
| Paleocoordinates: | 45.0° North, 103.3° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| 10 m.y. bin: | Cretaceous 1-4 | ||
| Key time interval: | Early/Lower Cretaceous | ||
| Age range of interval: | 145.00000 - 100.50000 m.y. ago |
Stratigraphy
| Formation: | Öösh | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: originally Ondai Sair Fm.; also called Oshih Fm. = Tevsh Fm.; assigned to the Khukhtekskaya (Hüteeg Svita) | |||||
Lithology and environment
| Primary lithology: | concretionary sandstone |
| Secondary lithology: | green siltstone |
| Includes fossils? | Y |
| Environment: | alluvial fan |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | good |
| Associated major elements: | some |
| Disassociated major elements: | some |
| Disassociated minor elements: | some |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | surface (float),surface (in situ),mechanical,field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Museum repositories: | AMNH | ||
| Collectors: | AMNH/IGM | Collection dates: | 1997-2005 |
| Collection method comments: multiple years and multiple point localities in the area, none detailed separately | |||
Metadata
| Database number: | 70140 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2007-03-19 12:31:22 | Last modified: | 2015-09-14 09:49:31 |
| Access level: | the public | Released: | 2007-03-19 12:31:22 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 23567. | ETE | B. Andres and M. A. Norell. 2005. The first record of a pterosaur from the Early Cretaceous strata of Öösh (Övörkhangai; Mongolia). American Museum Novitates 3472:1-6 [M. Carrano/M. Carrano] |
Secondary references:
| 23562 | ETE | A. H. Turner, S. H. Hwang, and M. A. Norell. 2007. A small derived theropod from Öösh, Early Cretaceous, Baykhangor Mongolia. American Museum Novitates 3557:1-27 [M. Carrano/M. Carrano] |