Qihulin Formation, China: Barremian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Nuculida
- Nuculidae
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Palaeonucula aff. ishidoensis
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Bivalvia
- Nuculanida
- Sareptidae
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Portlandia aff. sanchuensis
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Bivalvia
- Nuculanida
- Nuculanidae
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Jupiteria (Ezonuculana) aff. mactraeformis
(Nagao 1932)
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Nuculana (Praesaccella) cf. yatsushiroensis
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Sha et al. 2003 | |||||||||
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Bivalvia
- Carditida
- Astartidae
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Astarte (Astarte) cf. subsenecta
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Bivalvia
- Thraciida
- Thraciidae
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Thracia rotundata
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Sha et al. 2003 | |||||||||
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Bivalvia
- Cardiida
- Arcticidae
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Anisocardioides hulinensis n. sp.
Gu 1984
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Fang et al. 2009 | 15 specimens | ||||||||
| NIGPAS 81906 (holotype), 81907 - 81920 | ||||||||||
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Bivalvia
- Cardiida
- Corbiculidae
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Filosina subovalis
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Sha et al. 2003 | |||||||||
| see common names | ||||||||||
Geography
| Country: | China |
| Coordinates: | 45.8° North, 132.3° East (view map) |
| Paleocoordinates: | 50.3° North, 134.4° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | local area |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Barremian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Barremian | ||
| Age range of interval: | 125.77000 - 121.40000 m.y. ago |
Stratigraphy
| Geological group: | Longzhaogou | Formation: | Qihulin |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | black lithified mudstone |
| Secondary lithology: | lithified siltstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: Black mudstones, siltstones with basal coarse sandstones and coals | |
| Environment: | foreshore |
| Geology comments: Littoral or sublittoral | |
Taphonomy
| Size of fossils: | macrofossils,microfossils |
Collection methods and comments
| Collection excludes: | all microfossils |
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Dinoflagellates not considered | |
Metadata
| Database number: | 50896 | ||
| Authorizer: | W. Kiessling, A. Dunhill, M. Aberhan | Enterer: | W. Kiessling, B. Allen, S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2005-05-24 05:48:46 | Last modified: | 2006-04-07 03:42:21 |
| Access level: | the public | Released: | 2005-05-24 05:48:46 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 17083. | J. Sha, H. Cai, C. He, Z. Gu, J. Jiang, D. Yin, X. Zhao, Z. Liu, and B. Jiang. 2002. Studies on the Early Cretaceous Longzhaogou and Jixi Groups of eastern Heilongjiang, northeast China, and their bearing on the age of supposedly Jurassic strata in eastern Asia. Journal of Asian Earth Sciences 20(2002):141-150 [M. Aberhan/S. Nurnberg/S. Nurnberg] |
Secondary references:
| 47190 | Z. J. Fang, J. H. Chen, C. Z. Chen, J. G. Sha, X. Lan and S. Z. Wen. 2009. Supraspecific taxa of the Bivalvia first named, described, and published in China (1927-2007). The University of Kansas Paleontological Contributions, New Series 17:1-157 [M. Clapham/M. Clapham] | |
| 13588 | J. Sha, M. Matsukawa, H. Cai, B. Jiang, M. Ito, C. He, and Z. Gu. 2003. The Upper Jurassic–Lower Cretaceous of eastern Heilongjiang, northeast China: stratigraphy and regional basin history. Cretaceous Research 24(6):715-728 [W. Kiessling/W. Kiessling/W. Kiessling] | |
| 28273 | C. W. Wright, J. H. Calloman, and M. K. Howarth. 1996. Cretaceous Ammonoidea. Treatise on Invertebrate Paleontology L(4):1-362 [A. Hendy/A. Hendy] |