Ercaicun_Erc-e Event beds [Yuanshan Fm]: Atdabanian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Cambrorhytium elongatum
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2 specimens | ||||||
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Problematica indet.
Andrews 1970
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6 specimens | ||||||
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Coeloscleritophora
- Chancelloriida
- Chancelloriidae
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Allonia phrixothrix
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1 specimen | ||||||
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Orthothecida
- Triplicatellidae
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Linevitus opimus
Yu 1974
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1 specimen | ||||||
| recombined as Triplicatella opimus | |||||||
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unclassified
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Brachiopoda indet.
Cuvier 1805
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3 specimens | ||||||
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Rhynchonellata
- Orthida
- Wangyuiidae
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? Wangyuia yunnanensis
Jin 2004
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4 specimens | ||||||
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Lingulata
- Lingulida
- Lingulellotretidae
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Lingulellotreta malongensis
(Rong 1974)
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19 specimens | ||||||
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Lingulata
- Lingulida
- Obolidae
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Lingulella chengjiangensis
Jin et al. 1993
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2 specimens | ||||||
| recombined as Eoglossa chengjiangensis | |||||||
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Lingulata
- Discinida
- Disciniidae
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Heliomedusa orienta
Sun and Hou 1987
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1 specimen | ||||||
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unclassified
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Arthropoda indet.
Latreille 1829
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2 specimens | ||||||
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Parvancorinidae
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Primicaris larvaformis
Zhang et al. 2003
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7 specimens | ||||||
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Bradoriida
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Kunmingella douvillei
Mansuy 1912
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51 specimens | ||||||
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Kunyangella cheni
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5 specimens | ||||||
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Comptaluta leshanensis
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1 specimen | ||||||
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Radiodonta
- Amplectobeluidae
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Amplectobelua symbrachiata
Hou et al. 1995
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1 specimen | ||||||
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Isoxyida
- Isoxyidae
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Isoxys auritus
Jiang 1982
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3 specimens | ||||||
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Waptiida
- Waptiidae
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Chuandianella ovata
(Li 1975)
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8 specimens | ||||||
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unclassified
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Ercaicunia multinodosa
Luo et al. 1999
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2 specimens | ||||||
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Megacheira
- Leanchoiliida
- Leanchoiliidae
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Leanchoilia illecebrosa
(Hou 1987)
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54 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 | ||||||
| recombined as Eoredlichia intermediata | |||||||
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Nektaspidida
- Naraoiidae
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Naraoia longicaudata
Zhang and Hou 1985
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3 specimens | ||||||
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Naraoia spinosa
Zhang and Hou 1985
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1 specimen | ||||||
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Nektaspidida
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Cindarella eucalla
Chen et al. 1996
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1 specimen | ||||||
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Luolishaniida
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Luolishania sp.
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1 specimen | ||||||
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unclassified
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Cardiodictyon catenulum
Hou et al. 1991
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1 specimen | ||||||
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Corynetis brevis
Luo and Hu 1999
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7 specimens | ||||||
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Sicyophorus rara
Luo and Hu 1999
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2 specimens | ||||||
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Cricocosmiidae
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Cricocosmia jinningensis
Hou and Sun 1988
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9 specimens | ||||||
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Palaeoscolecida
- Cricocosmida
- Palaeoscolecidae
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Mafangscolex sinensis
Hou and Sun 1988
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4 specimens | ||||||
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unclassified
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Paraselkirkia sinica
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4 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: | 521.00000 - 515.60000 m.y. ago |
Stratigraphy
| Formation: | Yuanshan | Member: | Maotianshan Sh | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: in a sequence of strata with alternating event layers and background mudstones | |||||
Lithology and environment
| Primary lithology: | mudstone | ||
| Environment: | marine indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,mold/impression,soft parts |
| Lagerst�tten type: | conservation |
| 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: | 90137 | ||
| Authorizer: | A. Lin | Enterer: | A. Lin |
| Modifier: | A. Lin | Research group: | marine invertebrate |
| Created: | 2009-07-08 13:43:46 | Last modified: | 2009-07-08 16:44:55 |
| Access level: | the public | Released: | 2009-07-08 13:43:46 |
| 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] |