south of Katsurazawa Lake: Late/Upper Santonian - Early/Lower Campanian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Mosasauridae
|
||||||||||
|
Taniwhasaurus mikasaensis
(Caldwell et al. 2008)
|
||||||||||
| original and current combination Yezosaurus mikasaensis | ||||||||||
| MCM.M10 (two large dorsal vertebrae) and MCM.A1008 (two large dorsal vertebrae, one fractured posterior caudal, two large caudals with haemapophyses) - probably two individuals | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Hokkaido |
| Coordinates: | 43.2° North, 142.5° East (view map) | ||
| Paleocoordinates: | 48.1° North, 131.5° East | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Key time interval: | Late/Upper Santonian - Early/Lower Campanian | ||
| Age range of interval: | 86.30000 - 72.10000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | mudstone |
| Includes fossils? | Y |
| Environment: | offshore |
| Geology comments: the inner-outer shelf | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Temporal resolution: | snapshot |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Ikushunbetsu River | ||
| Database number: | 115410 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion |
| Modifier: | M. Carrano | ||
| Created: | 2011-09-01 21:26:24 | Last modified: | 2023-02-06 11:38:37 |
| Access level: | the public | Released: | 2011-09-01 21:26:24 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 37364. | M. W. Caldwell, T. Konishi, I. Obata and K. Muramoto. 2008. A new species of Taniwhasaurus (Mosasauridae, Tylosaurinae) from the Upper Santonian-Lower Campanian (Upper Cretaceous) of Hokkaido, Japan. Journal of Vertebrate Paleontology 28(2):339-348 [P. Mannion/P. Mannion] |