Faunal Assemblage A9: Nangaoian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Sicyphorus rara
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1 individual | ||||||
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Eldoniidae
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Stellostomites eumorpha
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4 individuals | ||||||
| synonym of Eldonia | |||||||
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Lingulata
- Discinida
- Disciniidae
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Heliomedusa orienta
Sun and Hou 1987
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39 individuals | ||||||
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Lingulata
- Lingulida
- Botsfordiidae
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Diandongia pista
Rong 1974
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1789 individuals | ||||||
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Lingulata
- Lingulida
- Lingulellotretidae
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Lingulellotreta malongensis
(Rong 1974)
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1 individual | ||||||
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Rhynchonellata
- Orthida
- Wangyuiidae
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Wangyuia yunnanensis
Jin 2004
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7 individuals | ||||||
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Hyolithida
- Sulcavitidae
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Ambrolinevitus platypluteus
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1 individual | ||||||
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Ambrolinevitus ventricosus
Qian 1978
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1 individual | ||||||
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Burithes yunnanensis
Hou et al. 1999
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13 individuals | ||||||
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unclassified
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Archotuba conoidalis
Hou et al. 1999
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2 individuals | ||||||
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Palaeoscolecida
- Cricocosmida
- Palaeoscolecidae
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Mafangscolex sinensis
Hou and Sun 1988
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12 individuals | ||||||
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Cricocosmiidae
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Cricocosmia jinningensis
Hou and Sun 1988
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91 individuals | ||||||
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Bradoriida
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Kunmingella douvillei
Mansuy 1912
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97 individuals | ||||||
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unclassified
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Branchiocaris ? yunnanensis
Hou 1987
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1 individual | ||||||
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Waptiida
- Waptiidae
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Waptia ovata
Lee 1975
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10 individuals | ||||||
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Megacheira
- Leanchoiliida
- Leanchoiliidae
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Leanchoilia illecebrosa
(Hou 1987)
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41 individuals | ||||||
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Isoxyida
- Isoxyidae
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Isoxys auritus
Jiang 1982
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16 individuals | ||||||
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Radiodonta
- Amplectobeluidae
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Amplectobelua symbrachiata
Hou et al. 1995
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7 individuals | ||||||
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Nektaspidida
- Naraoiidae
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Naraoia longicaudata
Zhang and Hou 1985
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36 individuals | ||||||
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Naraoia spinosa
Zhang and Hou 1985
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4 individuals | ||||||
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Trilobita
- Redlichiida
- Yunnanocephalidae
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Yunnanocephalus yunnanensis
(Mansuy 1912)
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1 individual | ||||||
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Trilobita
- Redlichiida
- Redlichiidae
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Eoredlichia intermedia
(Lu 1940)
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103 individuals | ||||||
| recombined as Eoredlichia intermediata | |||||||
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unclassified
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Squamacula clypeata
Hou and Bergström 1997
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1 individual | ||||||
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Retifacies abnormalis
Hou et al. 1989
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1 individual | ||||||
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Parvancorinidae
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Primicaris lavaformis
(Zhang et al. 2003)
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1 individual | ||||||
| original and current combination Primicaris larvaformis | |||||||
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unclassified
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Microdictyon sinicum
Chen et al. 1989
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1 individual | ||||||
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Cardiodictyon catenulum
Hou et al. 1991
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1 individual | ||||||
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Onychodictyon ferox
Hou et al. 1991
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1 individual | ||||||
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Demospongiae
- Protomonaxonida
- Leptomitidae
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Paraleptomitella dictyodroma
Chen et al. 1989
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1 individual | ||||||
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Demospongiae
- Protomonaxonida
- Hazeliidae
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Hazelia informal sp.nov
Walcott 1920
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3 individuals | ||||||
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Hexactinellida
- Reticulosa
- Protospongiidae
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Saetaspongia densa
Mehl and Reitner 1993
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4 individuals | ||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Yunnan |
| Coordinates: | 24.8° North, 102.6° East (view map) | ||
| Paleocoordinates: | 34.5° North, 159.7° East | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| Stage: | Stage 3 | 10 m.y. bin: | Cambrian 2 |
| Key time interval: | Nangaoian | Trilobite zone: | Eoredlichia-Wutingaspis |
| Age range of interval: | 521.00000 - 514.00000 m.y. ago |
Stratigraphy
| Formation: | Yu'anshan | Member: | Maotianshan Shale | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Cambrian stage 3 | |||||
Lithology and environment
| Primary lithology: | lithified mudstone |
| Secondary lithology: | siltstone |
| Includes fossils? | Y |
| Environment: | offshore shelf |
| Geology comments: event mudstone | |
Taphonomy
| Modes of preservation: | body,soft parts |
| Lagerst�tten type: | conservation |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils,mesofossils |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 194162 | ||
| Authorizer: | S. Finnegan | Enterer: | S. Finnegan |
| Modifier: | S. Finnegan | Research group: | marine invertebrate |
| Created: | 2018-06-14 18:44:52 | Last modified: | 2018-11-21 15:42:04 |
| Access level: | the public | Released: | 2018-06-14 18:44:52 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 65022. | F. Zhao, J. Caron, D. J. Bottjer, S. Hu, Z. Yin and M. Zhu. 2013. Diversity and species abundance patterns of the early Cambrian (Series 2, Stage 3) Chengjiang Biota from China. [S. Finnegan/S. Finnegan/S. Finnegan] |