Lantang, Zijin County: Semicostatum - Obtusum, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Ammonitida
- Arietitidae
|
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Arnioceras ceratitoides
(Quenstedt 1848)
|
2 specimens | ||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Guangdong |
| Coordinates: | 23.4° North, 114.9° East (view map) | ||
| Paleocoordinates: | 33.3° North, 120.4° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Early Jurassic |
| Stage: | Sinemurian | 10 m.y. bin: | Jurassic 1 |
| *Period: | Early/Lower Jurassic | *Epoch: | Lias |
| Key time interval: | Semicostatum - Obtusum | ||
| Age range of interval: | 199.5 - 192.9 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Lantang |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | NIGPAS |
| Taxonomic list comments:listed only ammonites, likely that other fauna exists but did not explicitly state such | |
Metadata
| Database number: | 8057 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2000-06-15 11:58:52 | Last modified: | 2013-09-07 21:16:15 |
| Access level: | the public | Released: | 2000-06-15 11:58:52 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 492. | Y. G. Wang and P. L. Smith. 1986. Sinemurian (Early Jurassic) ammonite fauna from the Guangdong region of southern China. Journal of Paleontology 60(6):1075-1085 [J. Alroy/M. Sommers/M. Clapham] |