Elesitai, SCDP: Aptian, China
collected 1985-1988
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Equisetopsida
- Cheirolepidiaceae
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Classopollis sp.
Pflug 1953
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Russell and Dong 1994 | |||||||||
Angiospermae
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aff. Angiospermae indet.
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Russell and Dong 1994 | |||||||||
pollen "of angiospermous affinity" | ||||||||||
Pinopsida
- Pinales
- Taxaceae
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Podocarpites sp.
Andra 1855
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Russell and Dong 1994 | |||||||||
Bivalvia
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Pelecypoda indet.
Goldfuss 1820
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Russell and Dong 1994 | |||||||||
synonym of Bivalvia | ||||||||||
Gastropoda
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Gastropoda indet.
Cuvier 1795
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Russell and Dong 1994 | |||||||||
Reptilia
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Psittacosaurus sp.
Osborn 1923
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Russell and Zhao 1996 | 2 specimens | ||||||||
Alxasaurus elesitaiensis n. gen., n. sp.
Russell and Dong 1994
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Russell and Dong 1994 | 2 individuals | ||||||||
IVPP 88402 (large and small individuals) (5 measurements) | ||||||||||
Reptilia
- Champsosauridae
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Champsosauridae indet.
Cope 1876
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Russell and Dong 1994 | |||||||||
Reptilia
- Testudines
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Testudines indet.
Batsch 1788
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Russell and Dong 1994 | |||||||||
Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
Gray 1825
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Russell and Dong 1994 | |||||||||
Mammalia
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Mammalia indet.
Linnaeus 1758
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Russell and Dong 1994 | |||||||||
Pisces
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Pisces indet.
Linnaeus 1758
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Russell and Dong 1994 | |||||||||
synonym of Osteichthyes | ||||||||||
"fishes" | ||||||||||
see common names |
Geography
Country: | China | State/province: | Nei Mongol |
Coordinates: | 41.2° North, 106.1° East (view map) | ||
Paleocoordinates: | 42.0° North, 106.2° East | ||
Basis of coordinate: | stated in text | ||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
Stage: | Aptian | 10 m.y. bin: | Cretaceous 3 |
Key time interval: | Aptian | ||
Age range of interval: | 125.00000 - 113.00000 m.y. ago |
Stratigraphy
Formation: | Bayangobi |
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | fine,gray claystone |
Includes fossils? | Y |
Lithology description: "gray, fine-grained sediments of lacustrine facies" | |
Environment: | lacustrine indet. |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | dispersed |
Size of fossils: | macrofossils,mesofossils,microfossils |
Preservation of anatomical detail: | good |
Associated major elements: | many |
Disassociated major elements: | some |
Fragmentation: | occasional |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | bulk,selective quarrying,mechanical,field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | IVPP | Collection dates: | 1985-1988 |
Collection method comments: includes sediment samples by previous geological parties |
Metadata
Also known as: | Alxa | ||
Database number: | 46881 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2005-01-24 14:51:51 | Last modified: | 2022-03-23 14:23:59 |
Access level: | the public | Released: | 2005-01-24 14:51:51 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
13174. | ETE | Z.-M. Dong. 1994. The field activities of the Sino-Canadian Dinosaur Project in China, 1987-1990. Canadian Journal of Earth Sciences 30(10-11):1997-2001 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
12452 | ETE | D. A. Russell and Z.-M. Dong. 1994. The affinities of a new theropod from the Alxa Desert, Inner Mongolia, People's Republic of China. Canadian Journal of Earth Sciences 30(10-11):2107-2127 [M. Carrano/M. Carrano/M. Carrano] |
12466 | ETE | D. A. Russell and X.-J. Zhao. 1996. New psittacosaur occurrences in Inner Mongolia. Canadian Journal of Earth Sciences 33(4):637-648 [M. Carrano/M. Carrano/M. Carrano] |
80958 | L. E. Zanno. 2010. A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora). Journal of Systematic Palaeontology 8(4):503-543 [M. Carrano/M. Carrano] |