Koyamada, Kashima tracksite: Oxfordian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Osteichthyes
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| Matsukawa et al. 2005 | 1 specimen | |||||||||
| KK-01 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Fukushima | County: | Soma-gun |
| Coordinates: | 37.7° North, 140.9° East (view map) | ||||
| Paleocoordinates: | 56.0° North, 153.4° East (Wright 2013) | ||||
| Basis of coordinate: | estimated from map | ||||
| Altitude: | 36 meters | ||||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Late Jurassic |
| Stage: | Oxfordian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Oxfordian | ||
| Age range of interval: | 161.5 - 154.8 m.y. ago |
Stratigraphy
| Geological group: | Somanakamura | Formation: | Tochikubo |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | sandstone |
| Secondary lithology: | siltstone |
| Lithology description: "arkosic sandstone and dark silt to fine sandstone" | |
| Environment: | fluvial-deltaic indet. |
| Geology comments: "coastal estuary or lake system" | |
Taphonomy
| Modes of preservation: | mold/impression,trace |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Disassociated major elements: | all |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Oyamada | ||
| Database number: | 60561 | ||
| Authorizer: | M. Carrano | Enterer: | K. Maguire |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2006-05-17 10:49:14 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2006-05-17 10:49:14 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 79253. | J. Shin. 2002. [Oyamada District Kashima-cho, Report on Fossil Excavation] 1-45 [M. Carrano/M. Carrano] |
Secondary references:
| 16852 | ETE | M. Matsukawa, M. G. Lockley, and J. Li. 2006. Cretaceous terrestrial biotas of East Asia, with special reference to dinosaur-dominated ichnofaunas: towards a synthesis. Cretaceous Research 27(1):3-21 [M. Carrano/M. Carrano] |
| 29448 | ETE | M. Matsukawa, K. Shibata, R. Kukihara, K. Koarai, and M. G. Lockley. 2005. Review of Japanese dinosaur track localities: implications for ichnotaxonomy, paleogeography and stratigraphic correlation. Ichnos 12(3):201-222 [M. Carrano/M. Carrano] |