Izumi bird tracksite: Barremian, Japan
collected by M. Chiba, K. Hachiya, & M. Umemoto 1987
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Avipedidae
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Aves indet.
Linnaeus 1758
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37 specimens | ||||||
= Aquatilavipes izumiensis n. sp.
Azuma et al. 2002
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Azuma et al. 2002 | ||||||
Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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Bivalvia
- Cardiida
- Corbiculidae
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Tetoria sp.
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Bivalvia
- Cardiida
- Neomiodontidae
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Myrene sp.
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see common names |
Geography
Country: | Japan | State/province: | Fukui | County: | Ono |
Coordinates: | 43.8° North, 144.5° East (view map) | ||||
Paleocoordinates: | 49.5° North, 148.1° East | ||||
Basis of coordinate: | based on political unit | ||||
Altitude: | 52 meters | ||||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
Stage: | Barremian | 10 m.y. bin: | Cretaceous 2 |
*Period: | Early/Lower Cretaceous | *Epoch: | Middle Neocomian - Early/Lower Gallic |
*International age/stage: | Early/Lower Valanginian - Late/Upper Barremian | ||
Key time interval: | Barremian | ||
Age range of interval: | 125.77000 - 121.40000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Lithology and environment
Primary lithology: | black sandy "shale" |
Secondary lithology: | coarse sandstone |
Includes fossils? | Y |
Lithology description: conglomeratic sandstone, coarse- to fine-grained sandstone, and shale. "black sandy shale" | |
Environment: | lacustrine indet. |
Geology comments: described as marginal lacustrine |
Taphonomy
Modes of preservation: | cast,trace |
Size of fossils: | macrofossils |
Spatial orientation: | life position |
Preservation of anatomical detail: | medium |
Associated major elements: | some |
Disassociated major elements: | some |
Temporal resolution: | snapshot |
Collection methods and comments
Collection excludes: | species names | ||
Collection methods: | surface (float),field collection | ||
Reason for describing collection: | taxonomic analysis | ||
Collectors: | M. Chiba, K. Hachiya, & M. Umemoto | Collection dates: | 7 Jun 1987 |
Collection method comments: discovered by Masami Chiba, Kiichiro Hachiya, and Masayuki Umemoto |
Metadata
Also known as: | Ono | ||
Database number: | 24807 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2002-08-20 13:30:06 | Last modified: | 2022-08-22 15:23:53 |
Access level: | the public | Released: | 2002-08-20 13:30:06 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
6957. | 5% 16700 | Y. Azuma, T. Sugimori, K. Yamada, T. Kojima, and K.-i. Takeyama. 1992. Two dinosaur footprints from the Tetori Group of Izumi Village, Fukui Prefecture, central Japan. Bulletin of the Japan Sea Research Institute, Kanazawa University, Kanazawa 24:19-33 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
29439 | ETE | Y. Azuma, Y. Arakawa, Y. Tomida and P. J. Currie. 2002. Early Cretaceous bird tracks from the Tetori Group, Fukui Prefecture, Japan. Memoir of the Fukui Prefectural Dinosaur Museum 1:1-6 [M. Carrano/M. Carrano] |
29362 | ETE | M. Fujita. 2008. Dinosaur tracks from the Tetori Group. International Dinosaur Symposium in Fukui 2008: Recent Progress of the Study on Asian Dinosaurs and Paleoenvironments. Fukui Prefectural Dinosaur Museum, Fukui 33-36 [M. Carrano/M. Carrano] |
10132 | M. J. Fujita. 2003. Geological age and correlation of the vertebrate-bearing horizons in the Tetori Group. Memoir of the Fukui Prefectural Dinosaur Museum 2:3-14 [M. Carrano/M. Carrano/M. Carrano] | |
55479 | Fukui Kenritsu Kyoryu Hakubutsukan. 2010. [Exhibit Guidebook of the Fukui Prefectural Dinosaur Museum]. 1-212 [M. Carrano/M. Carrano] | |
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] |