Xiaolantian_Xlt-a [Yuanshan Fm] : Atdabanian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mickwitziidae
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Heliomedusa orienta
Sun and Hou 1987
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8 specimens | ||||||
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Hyolithida
- Sulcavitidae
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Burithes magnus
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3 specimens | ||||||
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unclassified
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Arthropoda indet.
Latreille 1829
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28 specimens | ||||||
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Trilobita
- Redlichiida
- Yunnanocephalidae
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Yunnanocephalus sp.
Kobayashi 1936
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1 specimen | ||||||
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Trilobita
- Redlichiida
- Redlichiidae
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Eoredlichia intermedia
(Lu 1940)
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1 specimen | ||||||
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Nektaspidida
- Naraoiidae
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Naraoia spinosa
Zhang and Hou 1985
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9 specimens | ||||||
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Naraoia longicaudata
Zhang and Hou 1985
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87 specimens | ||||||
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unclassified
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Kuamaia lata
Hou 1987
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2 specimens | ||||||
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Isoxyida
- Isoxyidae
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Isoxys auritus
Jiang 1982
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34 specimens | ||||||
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unclassified
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? Branchiocaris yunnanensis
Hou 1987
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2 specimens | ||||||
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Bradoriida
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Kunmingella douvillei
Mansuy 1912
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85 specimens | ||||||
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unclassified
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Maotianshania cylindrica
Sun and Huo 1987
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1 specimen | ||||||
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Palaeoscolecida
- Cricocosmida
- Palaeoscolecidae
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Mafangscolex sinensis
Hou and Sun 1988
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2 specimens | ||||||
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unclassified
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Porifera indet.
Grant 1836
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2 specimens | ||||||
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Hexactinellida
- Reticulosa
- Protospongiidae
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Triticispongia diagonata
Steiner et al. 1993
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4 specimens | ||||||
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Saetaspongia densa
Mehl and Reitner 1993
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1 specimen | ||||||
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unclassified
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Problematica indet.
Andrews 1970
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1 specimen | ||||||
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Cambrorhytium elongatum
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9 specimens | ||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Yunnan |
| Coordinates: | 24.8° North, 102.6° East (view map) | ||
| Paleocoordinates: | 35.1° North, 161.1° East |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| Stage: | Stage 3 | 10 m.y. bin: | Cambrian 2 |
| Key time interval: | Atdabanian | Trilobite zone: | Eoredlichia-Wutingaspis |
| Age range of interval: | 521 - 515.6 m.y. ago |
Stratigraphy
| Formation: | Yuanshan | Member: | Maotianshan Sh | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: 15 cm thick, background layers of mudstone | |||||
Lithology and environment
| Primary lithology: | mudstone | ||
| Environment: | marine indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,mold/impression,soft parts |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | ichnofossils |
| Collection methods: | selective quarrying,surface (float),surface (in situ),field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | Chengjiang biota | ||
| Database number: | 90163 | ||
| Authorizer: | A. Lin | Enterer: | A. Lin | Research group: | marine invertebrate |
| Created: | 2009-07-09 15:20:42 | Last modified: | 2009-07-09 18:20:42 |
| Access level: | the public | Released: | 2009-07-09 15:20:42 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 30233. | S.-X. Hu. 2005. Taphonomy and Palaeoecology of the Early Cambrian Chengjiang Biota from Eastern Yunnan, China. Berliner Paläobiologische Abhandlungen 7:1-197 [A. Lin/A. Lin] |