Miyada microvertebrate site (Sasayama): Early Albian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Osteichthyes
- Temnospondyli
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Osteichthyes
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Sasayamamylos kawaii n. gen., n. sp.
Kusuhashi et al. 2013
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| MNHAH D1-030444 - holotype (right dentary); referred material: MNHAH D1-030445-030447 (fragments of two left dentaries and one right dentary) | ||||||||||
| Ikeda et al. 2015 | 1 specimen | |||||||||
| MNHAH D1-032063, an incomplete right mandible with nine tooth positions, including five complete and four incomplete teeth. | ||||||||||
| 4 specimens | ||||||||||
| At least four different species | ||||||||||
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Osteichthyes
- Dinosauria
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| Fragmentary remains of dinosaurs | ||||||||||
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Osteichthyes
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Sasayamagnomus saegusai n. gen., n. sp.
Tanaka et al. 2024
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Tanaka et al. 2024 | 2 individuals | ||||||||
| MNHAH D1-060516 (holotype), D1-060517-528 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Hyogo |
| Coordinates: | 35.1° North, 135.2° East (view map) | ||
| Paleocoordinates: | 39.8° North, 146.3° East (Wright 2013) | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Early Albian | ||
| Age range of interval: | 113.2 - 110.1 m.y. ago |
Stratigraphy
| Geological group: | Sasayama | Formation: | Ohyamashimo | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "Lower Formation" of the Sasayama Group | |||||
Lithology and environment
| Primary lithology: | red siltstone |
| Lithology description: Red siltstone bed | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Sasayamamylos kawaii type | ||
| Database number: | 141507 | ||
| Authorizer: | P. Mannion, E. Vlachos | Enterer: | P. Mannion, F. Aspromonte, J. Tennant |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2013-03-28 01:57:42 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2013-03-28 01:57:42 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 45999. | N. Kusuhashi, Y. Tsutsumi, H. Saegusa, K. Horie, T. Ikeda, K. Yokoyama, and K. Shiraishi. 2013. A new Early Cretaceous eutherian mammal from the Sasayama Group, Hyogo, Japan. Proceedings of the Royal Society B 280 [P. Mannion/P. Mannion] |
Secondary references:
| 54168 | T. Ikeda, H. Ota, and H. Saegusa. 2015. A new fossil lizard from the Lower Cretaceous Sasayama Group of Hyogo Prefecture, western Honshu, Japan. Journal of Vertebrate Paleontology 35(1):e885032 [P. Mannion/J. Tennant/P. Mannion] | |
| 89376 | T. Tanaka, K. Chiba, T. Ikeda and M. J. Ryan. 2024. A new neoceratopsian (Ornithischia, Ceratopsia) from the Lower Cretaceous Ohyamashimo Formation (Albian), southwestern Japan. Papers in Palaeontology (e1587)1-30 [E. Vlachos/F. Aspromonte] |