List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Mosasauridae
|
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? Plotosaurus sp.
Camp 1951
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1 specimen | |||||||||
| NSM-PV15003 (three partial caudal vertebrae with articulating haemal arches and one extremely fragmentary centrum without haemal arch) | ||||||||||
|
= Russellosaurina indet.
Bell 1997
|
Caldwell and Konishi 2007 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Hokkaido |
| Coordinates: | 42.7° North, 142.3° East (view map) | ||
| Paleocoordinates: | 49.5° North, 133.9° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Stratigraphy
Lithology and environment
| Primary lithology: | mudstone |
| Lithology description: mudstone nodule | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Hobetsu | ||
| Database number: | 94680 | ||
| Authorizer: | R. Butler, P. Mannion | Enterer: | R. Butler, P. Mannion |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2010-03-09 01:52:58 | Last modified: | 2023-02-06 11:38:49 |
| Access level: | the public | Released: | 2010-03-09 01:52:58 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 32250. | I. Obata, Y. Hasegawa, and H. Otsuka. 1972. Preliminary report on the Cretaceous reptile fossils from Hokkaido. Memoirs of the National Science Museum 5:213-222 [R. Butler/R. Butler/R. Butler] |
Secondary references:
| 33379 | M. W. Caldwell and T. Konishi. 2007. Taxonomic re-assignment of the first-known mosasaur specimen from Japan, and a discussion of circum-Pacific mosasaur paleobiogeography. Journal of Vertebrate Paleontology 27(2):517-520 [M. Carrano/H. Street] |