Dalazi, Zhixin district, Yanji County: Aptian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Insecta
- Diptera
- Chaoboridae
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Chironomaptera gregaria
(Grabau 1923)
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1 specimen | |||||||||
| NIGP 94887 | ||||||||||
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Insecta
- Blattaria
- Caloblattinidae
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Rhipidoblattina decoris
Lin 1978
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1 specimen | |||||||||
| NIGP 94875 | ||||||||||
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Insecta
- Coleoptera
- Coptoclavidae
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Coptoclava longipoda
Ping 1928
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2 specimens | |||||||||
| NIGP 94885, 94886 | ||||||||||
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Insecta
- Coleoptera
- Hydrophilidae
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Orphnospercheus lonjingensis n. gen., n. sp.
Lin 1992
|
1 specimen | |||||||||
| NIGP 94884 (2 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Jilin |
| Coordinates: | 42.7° North, 129.6° East (view map) | ||
| Paleocoordinates: | 47.4° North, 129.7° East | ||
| Basis of coordinate: | estimated from map | ||
| 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: | 121.40000 - 113.00000 m.y. ago |
Stratigraphy
| Formation: | Dalazi | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Aptian age based on angiosperms (Tao and Zhang, 1990). Other papers have assigned an Albian age based on pollen and plants (Yu and Miao, 1983; Zhang, 1986). | |||||
Lithology and environment
| Primary lithology: | gray,green lithified sandstone | ||
| Environment: | lacustrine - large | Tectonic setting: | rift |
| Geology comments: Dalazi basin is rift basin controlled by NNE rift structure (Tao and Zhang, 1990). | |||
Taphonomy
| Modes of preservation: | adpression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | NIGPAS |
Metadata
| Database number: | 172391 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | paleoentomology |
| Created: | 2015-08-06 19:51:19 | Last modified: | 2015-08-06 19:51:19 |
| Access level: | the public | Released: | 2015-08-06 19:51:19 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 56022. | Q. B. Lin. 1992. Insecta, II: Jurassic-Early Cretaceous insects. Paleontological Atlas of Jilin Province 417-424 [M. Clapham/M. Clapham] |