List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Pinnatiramosus qianensis n. gen., n. sp. axis
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Ambitisporites spp. microspore
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Cai et al. 1996 | |||||||||
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Nodosphaera sp. microspore
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Cai et al. 1996 | |||||||||
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Tetrahedraletes sp. microspore
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Cai et al. 1996 | |||||||||
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Leisphaeridia sp. marine palyn
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Cai et al. 1996 | |||||||||
| acritarch | ||||||||||
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Visbysphaera sp. marine palyn
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Cai et al. 1996 | |||||||||
| acritarch | ||||||||||
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Rhynchonellata
- Atrypida
- Atrypinidae
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Nalivkinia sp.
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Cai et al. 1996 | |||||||||
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Rhynchonellata
- Athyridida
- Nucleospiridae
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Nucleospira pulchra
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Cai et al. 1996 | |||||||||
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Bivalvia
- Pectinida
- Pterinopectinidae
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Pterinopecten cf. cybele
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Cai et al. 1996 | |||||||||
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unclassified
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Punctatisporites spp. microspore
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Cai et al. 1996 | |||||||||
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Retusotriletes spp. microspore
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Cai et al. 1996 | |||||||||
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Protozoa
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Eisenackitina daozhenensis
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Cai et al. 1996 | |||||||||
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unclassified
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Apiculiretusispora spp. microspore
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Cai et al. 1996 | |||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Guizhou | County: | Fenggang County |
| Coordinates: | 28.0° North, 108.0° East (view map) | ||||
| Paleocoordinates: | 6.7° North, 127.0° East | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Silurian | ||
| *Period: | Early/Lower Silurian - Middle Silurian | *Epoch: | Late/Upper Llandovery - Late/Upper Wenlock |
| *International age/stage: | Aeronian | ||
| Key time interval: | Aeronian - Wenlock | Zone: | equivalent to the avitus-dilutus zone or the base of chulus var. chulus-chulus var. nanus zone of Richardson & McGregor |
| Age range of interval: | 440.80000 - 427.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Xiushan | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: This formation is overlain by Permian rock. The plant bed is 2.2 m below the unconformity. | |||||
Lithology and environment
| Primary lithology: | green,yellow lithified siltstone |
| Includes fossils? | Y |
| Lithology description: fresh, solid and obviously unweathered, yellowish green siltstone. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | adpression,permineralized,coalified,original carbon,original sporopollenin |
| Size of fossils: | macrofossils,microfossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection excludes: | some genera |
| Collection methods: | field collection,observed (not collected) |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:List taken primarily from Cai et al. 1996 | |
Metadata
| Database number: | 10942 | ||
| Authorizer: | P. Gensel | Enterer: | M. Kotyk |
| Modifier: | C. Bernard | Research group: | paleobotany |
| Created: | 2001-07-06 11:11:30 | Last modified: | 2003-07-18 18:01:39 |
| Access level: | group members | Released: | 2001-07-06 11:11:30 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 4059. | B. Y. Geng. 1986. Anatomy and morphology of Pinnatiramosus, a new plant from the Middle Silurian (Wenlockian) of China. Acta Botanica Sinica 28:667-670 [P. Gensel/M. Kotyk/P. Gensel] |
Secondary references:
| 4058 | C. Y. Cai, S. Ouyang, Y. Wang, Z. J. Fang, J. Y. Rong, L. Y. Geng, and X. X. Li. 1996. An Early Silurian vascular plant. Nature 379:592 [P. Gensel/M. Kotyk] |