Bed 19 of Laoyefen Fm, Lali, S. China, Frasnian: Early/Lower Frasnian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Nothognathella klapperi
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Rhynchonellata
- Orthida
- Schizophoriidae
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Schizophoria sp.
King 1850
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Rhynchonellata
- Rhynchonellida
- Leiorhynchidae
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Leiorhynchus sp.
Hall 1860
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Conodonta
- Prioniodontida
- Icriodontidae
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Icriodus expansa
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Conodonta
- Ozarkodinida
- Polygnathidae
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Ancyrodella alata
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Ancyrodella huddlei n. sp.
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Polygnathus gracilis
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Polygnathus elegantulus
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Polygnathus procerus
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Polygnathus evidens
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Polygnathus paradecorosus n. sp.
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Polygnathus decorosus
Stauffer 1938
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| corrected as Polygnathus decorosa | |||||||
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Conodonta
- Ozarkodinida
- Palmatolepidae
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Palmatolepis transitans
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Mesotaxis falsiovalis
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Mesotaxis costalliformis
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Mesotaxis asymmetricus
(Bischoff and Ziegler 1957)
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| recombined as Mesotaxis asymmetrica | |||||||
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Conodonta
- Ozarkodinida
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Ozarkodina sp.
Branson and Mehl 1933
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Hindeodella sp.
Bassler 1925
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| synonym of Ozarkodina | |||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Guangxi |
| Coordinates: | 24.5° North, 108.3° East (view map) | ||
| Paleocoordinates: | 0.0° South, 115.3° East |
Time
| Period: | Devonian | Epoch: | Late/Upper Devonian |
| Stage: | Frasnian | 10 m.y. bin: | Devonian 4 |
| Key time interval: | Early/Lower Frasnian | Zone: | transitans |
| Age range of interval: | 382.70000 - 379.30000 m.y. ago |
Stratigraphy
| Formation: | Laoyefen | Local bed: | 19 |
| Local order: | bottom to top |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | argillaceous "limestone" |
| Lithology description: "about 0.8m thick, grey medium bedded argillaceous limestones" | |
| Environment: | slope |
Taphonomy
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Conodonts and Brachiopods are listed as present in text. | |
Metadata
| Database number: | 13139 | ||
| Authorizer: | A. Miller | Enterer: | J. Sessa |
| Modifier: | C. Ferguson | Research group: | marine invertebrate |
| Created: | 2002-01-22 11:49:06 | Last modified: | 2004-07-07 20:27:24 |
| Access level: | the public | Released: | 2002-01-22 11:49:06 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 4245. | Q. Ji and W. Ziegler. 1993. The Lali Section: An Excellent Reference Section for Upper Devonian in South China. Courier Forschungsinstitut Senckenberg 157:1-182 [A. Miller/J. Sessa] |