Gaoqiaogou, bed 56b: Wangcunian - Guzhangian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Agnostida
- Clavagnostidae
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Clavagnostus repandus
(Westergard 1930)
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Agnostida
- Spinagnostidae
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Tomagnostella exsculpta
(Angelin 1851)
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Hypagnostus brevifrons
(Angelin 1851)
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? Acadagnostus transversus n. sp.
Yang et al. 1993
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| synonym of Hypagnostus brevifrons | ||||||||||
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Agnostida
- Diplagnostidae
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Linguagnostus wanyuanensis n. sp.
Yang et al. 1993
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Agnostida
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Phoidagnostus bituberculatus
(Angelin 1851)
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| recombined as Glaberagnostus bituberculatus | ||||||||||
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Agnostida
- Phalacromidae
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Abagnostus circularis n. gen., n. sp.
Yang et al. 1993
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| recombined as Lisogoragnostus circularis | ||||||||||
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Agnostida
- Peronopsidae
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Peronopsis fallax
(Linnarsson 1869)
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| subsp. minor and ferox | ||||||||||
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Trilobita
- Ptychopariida
- Papyriaspididae
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Pianaspis dictyodroma
Yang et al. 1993
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Pianaspis sinensis
(Yang 1978)
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Trilobita
- Asaphida
- Anomocarellidae
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Paranomocarella pujiabaensis
Yang et al. 1993
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Paranomocarella transversa n. sp.
Yang et al. 1993
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Trilobita
- Corynexochida
- Dolichometopidae
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Fuchouia chiai
Lu 1957
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| see common names | ||||||||||
Geography
| Country: | China | State/province: | Sichuan | County: | Wanyuan |
| Coordinates: | 32.2° North, 108.4° East (view map) | ||||
| Paleocoordinates: | 22.6° North, 155.5° East | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cambrian | Epoch: | Miaolingian |
| 10 m.y. bin: | Cambrian 4 | ||
| Key time interval: | Wangcunian - Guzhangian | Trilobite zone: | Hypagnostus brevifrons-Phoidagnostus bituberculatus |
| Age range of interval: | 504.50000 - 497.00000 m.y. ago |
Stratigraphy
| Formation: | Baguamiao | ||||
| Local section: | Gaoqiaogou | Local bed: | 56b | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Hypagnostus brevifrons-Phoidagnostus bituberculatus zone of Yang 1993, probably equivalent to Lejopyge armata-Lejopyge laevigata zones, Drumian-Guzhangian | |||||
Lithology and environment
| Primary lithology: | lithified lime mudstone |
| Secondary lithology: | lithified argillaceous "limestone" |
| Lithology description: dark-grey and grey thin-bedded micrite intercalated with argillaceous banded limestone | |
| Environment: | slope |
| Geology comments: platform margin slope | |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 127066 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel |
| Modifier: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2012-04-23 19:28:53 | Last modified: | 2012-04-24 07:56:27 |
| Access level: | authorizer only | Released: | 2015-04-23 19:28:53 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 41224. | J. Yang, S. Yu, G. Liu, N. Su, M. He, J. Shang, H. Zhang, H. Zhu, Y. Li and G. Yan. 1993. Cambrian stratigraphy, lithofacies, paleogeography and trilobite faunas of East Qinling-Dabashan Mountains, China 1-246 [W. Kiessling/U. Merkel] |