Maotianshan [Wulonqing Mbr, Qiongzhusi Fm]: Atdabanian - Botomian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
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Trilobita indet.
Walch 1771
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Trilobita
- Redlichiida
- Redlichiidae
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Redlichia chinensis
Walcott 1905
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unclassified
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Brachiopoda indet.
Cuvier 1805
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Lingulata
- Lingulida
- Lingulellotretidae
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Lingulellotreta malongensis
(Rong 1974)
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Nectocarididae
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Petalilium latus
Luo and Hu 1999
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Smith 2013 | |||||||||
| = Nectocaris pteryx | ||||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Yunnan |
| Coordinates: | 25.0° North, 102.7° East (view map) | ||
| Paleocoordinates: | 34.6° North, 160.7° East | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| Stage: | Stage 3 | 10 m.y. bin: | Cambrian 2 - Cambrian 2-3 |
| *Period: | Early/Lower Cambrian - Middle Cambrian | *Epoch: | Caerfai |
| *International age/stage: | Atdabanian - Early/Lower - Middle Lenian | *Local age/stage: | Atdabanian - Botomian |
| Key time interval: | Atdabanian - Botomian | Zone: | Ushbaspis limbata |
| Age range of interval: | 521 - 512.5 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Qiongzhusi | Member: | Wulonqing | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: LITHOSTRATIGRAPHY: From the Wulonqing Mbr of the Qiongzhusi Fm (Chiungchussu). AGE: Originally entered as Caerfai; subsequently modified to be Atdabanian through Botomian; needs to be validated. STRATIGRAPHIC POSITION: From unknown position within local section. | |||||
Lithology and environment
| Primary lithology: | planar lamination lithified mudstone |
| Includes fossils? | Y |
| Lithology description: LITHOLOGY: Finely laminated mudstone. LITHIFICATION: Lithified, on the basis of taphonomic preservation. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Shallow marine siliciclastic. | |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some genera,some macrofossils |
| Collection methods: | mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Chengjiang biota | ||
| Database number: | 9628 | ||
| Authorizer: | M. Patzkowsky, M. Smith | Enterer: | P. Borkow, A. Krug, M. Smith |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2001-03-23 08:34:09 | Last modified: | 2009-03-04 16:40:25 |
| Access level: | the public | Released: | 2001-03-23 08:34:09 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 838. | L. E. Holmer, L. E. Popov, S. P. Koneva and J.-Y. Rong. 1997. Early Cambrian Lingulellotreta (Lingulata, Brachiopoda) from south Kazakhstan (Malyi Karatau Range) and south China (eastern Yunnan). Journal of Paleontology 71(4):577-584 [M. Patzkowsky/P. Borkow/P. Wagner] |
Secondary references:
| 52131 | M. R. Smith. 2013. Nectocaridid ecology, diversity, and affinity: early origin of a cephalopod-like body plan. Paleobiology 39(2):297-321 [M. Smith/M. Smith] |