Faunal Assemblage A3: Nangaoian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Primacaris lavaformis
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4 individuals | ||||||
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Sicyphorus rara
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2 individuals | ||||||
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Xiangguangia sinica
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2 individuals | ||||||
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Demospongiae
- Protomonaxonida
- Hazeliidae
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Hazelia informal sp.nov
Walcott 1920
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11 individuals | ||||||
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Demospongiae
- Protomonaxonida
- Leptomitidae
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Leptomitella conica
Chen et al. 1989
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2 individuals | ||||||
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Leptomitus teretiusculus
Chen et al. 1989
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2 individuals | ||||||
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Paraleptomitella dictyodroma
Chen et al. 1989
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2 individuals | ||||||
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Demospongiae
- Protomonaxonida
- Choiidae
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Choiaella radiata
Rigby and Hou 1995
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1 individual | ||||||
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Hexactinellida
- Reticulosa
- Protospongiidae
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Saetaspongia densa
Mehl and Reitner 1993
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1 individual | ||||||
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unclassified
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Conicula striata
Luo et al. 1999
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1 individual | ||||||
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Phlogites longus
Luo and Hu 1999
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1 individual | ||||||
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Hyolithida
- Sulcavitidae
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Burithes yunnanensis
Hou et al. 1999
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8 individuals | ||||||
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Mickwitziidae
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Heliomedusa orienta
Sun and Hou 1987
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6 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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Xenusia
- Archonychophora
- Paucipodiidae
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Paucipodia haikouensis
Luo and Hu 1999
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2 individuals | ||||||
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Luolishaniida
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Luolishania longicruris
Hou and Chen 1989
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1 individual | ||||||
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unclassified
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Onychodictyon ferox
Hou et al. 1991
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1 individual | ||||||
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Bradoriida
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Kunmingella douvillei
Mansuy 1912
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95 individuals | ||||||
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Combinivalvula chengjiangensis
Hou 1987
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1 individual | ||||||
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Megacheira
- Leanchoiliida
- Leanchoiliidae
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Leanchoilia illecebrosa
(Hou 1987)
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109 individuals | ||||||
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Isoxyida
- Isoxyidae
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Isoxys paradoxus
Hou 1987
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1 individual | ||||||
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Isoxys auritus
Jiang 1982
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23 individuals | ||||||
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Fuxianhuiida
- Fuxianhuiidae
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Fuxianhuia protensa
Hou 1987
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12 individuals | ||||||
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Mollisoniida
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Urokodia aequalis
Hou et al. 1989
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2 individuals | ||||||
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Waptiida
- Waptiidae
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Waptia ovata
Lee 1975
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7 individuals | ||||||
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Canadaspidida
- Canadaspididae
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Canadaspis laevigata
(Hou and Bergström 1991)
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12 individuals | ||||||
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unclassified
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Branchiocaris ? yunnanensis
Hou 1987
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5 individuals | ||||||
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Ercaicunia multinodosa
Luo et al. 1999
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1 individual | ||||||
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Radiodonta
- Amplectobeluidae
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Amplectobelua symbrachiata
Hou et al. 1995
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2 individuals | ||||||
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Radiodonta
- Anomalocarididae
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Parapeytoia yunnanensis
Hou et al. 1995
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1 individual | ||||||
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Radiodonta
- Tamisiocarididae
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Anomalocaris saron
Hou et al. 1995
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2 individuals | ||||||
| recombined as Houcaris saron | |||||||
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Trilobita
- Redlichiida
- Redlichiidae
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Kuanyangia pustulosa
(Lu 1941)
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1 individual | ||||||
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Eoredlichia intermedia
(Lu 1940)
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9 individuals | ||||||
| recombined as Eoredlichia intermediata | |||||||
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Trilobita
- Redlichiida
- Yunnanocephalidae
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Yunnanocephalus yunnanensis
(Mansuy 1912)
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3 individuals | ||||||
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Nektaspidida
- Naraoiidae
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Naraoia sp.
Walcott 1912
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16 individuals | ||||||
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Naraoia spinosa
Zhang and Hou 1985
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93 individuals | ||||||
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Naraoia longicaudata
Zhang and Hou 1985
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40 individuals | ||||||
| recombined as Misszhouia longicaudata | |||||||
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Nektaspidida
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Cindarella eucalla
Chen et al. 1996
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2 individuals | ||||||
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Xandarella spectaculum
Hou et al. 1991
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1 individual | ||||||
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Odaraiida
- Pectocariidae
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Pectocaris spatiosa
Hou 1999
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1 individual | ||||||
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unclassified
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Pseudoiulia cambriensis
Hou and Bergström 1998
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1 individual | ||||||
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Palaeopriapulites parvus
Hou et al. 1999
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1 individual | ||||||
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Palaeoscolecida
- Cricocosmida
- Palaeoscolecidae
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Mafangscolex sinensis
Hou and Sun 1988
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17 individuals | ||||||
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Cricocosmiidae
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Cricocosmia jinningensis
Hou and Sun 1988
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61 individuals | ||||||
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unclassified
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Paraselkirkia jinningensis
Hou et al. 1999
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2 individuals | ||||||
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Archotuba conoidalis
Hou et al. 1999
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4 individuals | ||||||
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Beidazoon venustum
Shu 2005
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1 individual | ||||||
| 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: | 194143 | ||
| Authorizer: | S. Finnegan | Enterer: | S. Finnegan |
| Modifier: | S. Finnegan | Research group: | marine invertebrate |
| Created: | 2018-06-14 15:21:50 | Last modified: | 2018-11-21 15:40:06 |
| Access level: | the public | Released: | 2018-06-14 15:21:50 |
| 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] |