Guniutan Fm., WenTang, Dayong Co., Hunan Province, China: Llandeilo, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Hyoostrama sp.
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Lingulata
- Acrotretida
- Acrotretidae
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Acrotreta sp.
Kutorga 1848
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Cephalopoda
- Oncocerida
- Oncoceratidae
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Richardsonoceras sp.
Foerste 1932
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Cephalopoda
- Orthocerida
- Baltoceratidae
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Cochlioceras sp.
Eichwald 1860
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Michelinoceras sp.
Foerste 1932
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Orthoceras sp.
Breynius 1832
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Sinoceras sp.
Shimizu et al. 1935
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Cephalopoda
- Orthocerida
- Kionoceratidae
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Kionoceras sp.
Hyatt 1884
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Cephalopoda
- Lituitida
- Lituitidae
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Trilacinoceras sp.
Sweet 1958
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Cephalopoda
- Endocerida
- Endoceratidae
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Endoceras sp.
Hall 1847
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Vaginoceras sp.
Hyatt 1884
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Dideroceras sp.
Flower 1950
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Trilobita
- Trinucleida
- Raphiophoridae
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Ampyx sp.
(Dalman 1827)
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| original and current combination Asaphus (Ampyx) | |||||||
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Trilobita
- Asaphida
- Asaphidae
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Birmanites sp.
Sheng 1934
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Trilobita
- Asaphida
- Nileidae
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Nileus sp.
Dalman 1827
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Trilobita
- Asaphida
- Cyclopygidae
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Cyclopyge sp.
Hawle and Corda 1847
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Trilobita
- Corynexochida
- Illaenidae
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Illaenus sp.
Dalman 1827
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Agnostida
- Metagnostidae
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Geragnostus sp.
Howell 1935
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| see common names | |||||||
Geography
| Country: | China | State/province: | Hunan | County: | Dayong |
| Coordinates: | 29.0° North, 110.0° East (view map) | ||||
| Paleocoordinates: | 11.5° North, 131.9° East | ||||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
| *Period: | Middle Ordovician | *Epoch: | Llandeilo |
| Key time interval: | Llandeilo | ||
| Age range of interval: | 461.30000 - 458.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Guniutan |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | gray,green,red or brown lithified "limestone" |
| Lithology description: grayish green to purplish red limestone with mud cracks and grayish green nodular limestone | |
| Environment: | shallow subtidal indet. |
Taphonomy
Collection methods and comments
| Collection excludes: | species names |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 7690 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 2000-05-31 06:40:41 | Last modified: | 2001-08-16 13:10:39 |
| Access level: | the public | Released: | 2000-11-20 13:53:35 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 476. | Hunan Geology and Mine Deposit Bureau. 1988. Summary of regional geology of Hu''nan Province, China. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall] |