3.2 km south of Ulan Malgait Mtn. [Ulan Malgait Fm.] [SMPE]: Tithonian, Mongolia
collected by SMPE 1989
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
|
||||||||||
|
aff. Mamenchisaurus sp.
Young 1954
|
||||||||||
|
Reptilia
- Shartegosuchidae
|
||||||||||
|
Nominosuchus matutinus n. gen., n. sp.
Efimov 1996
|
1 specimen | |||||||||
| PIN 4174/4 - holotype (partial skull) | ||||||||||
|
Shartegosuchus asperopalatum n. gen., n. sp.
Efimov 1988
|
1 specimen | |||||||||
| PIN 4171/2 - holotype (partial skull and jaws of a juvenile animal) | ||||||||||
|
Reptilia
|
||||||||||
|
Testudinata indet.
(Oppel 1811)
|
||||||||||
|
Gastropoda
|
||||||||||
|
Gastropoda indet.
Cuvier 1795
|
||||||||||
|
Bivalvia
|
||||||||||
|
Pelecypoda indet.
Goldfuss 1820
|
||||||||||
| synonym of Bivalvia | ||||||||||
|
Ostracoda
|
||||||||||
|
Ostracoda indet.
Latreille 1802
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | Mongolia | State/province: | Govi-Altay |
| Coordinates: | 44.1° North, 95.8° East (view map) | ||
| Paleocoordinates: | 46.0° North, 98.0° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Tithonian | 10 m.y. bin: | Jurassic 6 |
| Key time interval: | Tithonian | ||
| Age range of interval: | 149.20000 - 145.00000 m.y. ago |
Stratigraphy
| Formation: | Ulan Malgait | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: = Tsagaantsav horizon | |||||
Lithology and environment
| Primary lithology: | sandy siltstone |
| Includes fossils? | Y |
| Lithology description: sandy siltstone layers in middle of section | |
| Environment: | lacustrine - large |
| Geology comments: "The monsoonal character of the climate resulted in alternating wet and dry seasons. Numerous crocodilian remains are entombed in the shore and bottom sediments of the ancient lake at Shar Teeg, particularly in the restricted 'rehgia' of deeper water basins that remained following lake retreat during dry spells" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils,microfossils |
| Fragmentation: | frequent |
Collection methods and comments
| Collection excludes: | some genera | ||
| Collection methods: | surface (float),surface (in situ),field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Museum repositories: | PIN | ||
| Collectors: | SMPE | Collection dates: | 1989 |
Metadata
| Also known as: | Shar-Teg, Shar Teeg, Shar Teg; PIN Loc. 4171 | ||
| Database number: | 179184 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2016-06-03 09:42:11 | Last modified: | 2019-06-24 16:49:51 |
| Access level: | the public | Released: | 2016-06-03 09:42:11 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 59306. | Y. M. Gubin and S. M. Sinitza. 1996. Shar Teg: a unique Mesozoic locality of Asia. In M. Morales (ed.), The Continental Jurassic. Museum of Northern Arizona Bulletin 60:311-318 [M. Carrano/M. Carrano] |
Secondary references:
| 39421 | G. W. Storrs and M. B. Efimov. 2000. Mesozoic crocodyliforms of north-central Eurasia. In M. J. Benton, M. A. Shishkin, D. M. Unwin, & E N. Kurichkin (eds.), The Age of Dinosaurs in Russia and Mongolia 402-419 [P. Mannion/P. Mannion/M. Carrano] |