Nio River (Mesodermochelys locality): Early/Lower Campanian, Japan
collected by Fujiyuki Endo 2001
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Testudines
- Dermochelyidae
|
||||||||||
Mesodermochelys sp.
Hirayama and Chitoku 1996
|
||||||||||
NMV 50, partial carapace | ||||||||||
Gastropoda
|
||||||||||
Gastropoda indet.
Cuvier 1795
|
||||||||||
associated with the turtle | ||||||||||
Gastropoda
- Colloniidae
|
||||||||||
Hikidea cf. yasukawensis
|
||||||||||
associated with the turtle | ||||||||||
Gastropoda
- Naticidae
|
||||||||||
? Gyrodes sp.
Conrad 1860
|
||||||||||
associated with the turtle | ||||||||||
Gastropoda
- Provannidae
|
||||||||||
Provanna cf. nakagawensis
|
||||||||||
associated with the turtle | ||||||||||
Bivalvia
- Lucinida
- Thyasiridae
|
||||||||||
Thyasira tanabei
Kiel et al. 2008
|
||||||||||
associated with the turtle | ||||||||||
see common names |
Geography
Country: | Japan | State/province: | Nakagawa |
Coordinates: | 44.7° North, 141.8° East (view map) | ||
Paleocoordinates: | 49.3° North, 130.2° East | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | hand sample |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Early/Lower Campanian | ||
Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
Geological group: | Yezo | Formation: | Osoushinai |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | gray mudstone |
Secondary lithology: | sandstone |
Includes fossils? | Y |
Includes fossils? | Y |
Lithology description: The Osoushinai Formation is composed of grey to dark grey siltstone with intercalations of sandstone | |
Environment: | marine indet. |
Geology comments: The Osoushinai Formation is [...] most likely formed in the outer shelf to the upper continental slope setting |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | surface (in situ),survey of museum collection | ||
Reason for describing collection: | taxonomic analysis | ||
Collectors: | Fujiyuki Endo | Collection dates: | 2001 |
Collection method comments: NMV, Nakagawa Museum of Natural History Vertebrate collections, Nakagawa Town, Hokkaido, Japan |
Metadata
Database number: | 188484 | ||
Authorizer: | E. Vlachos | Enterer: | E. Vlachos |
Modifier: | P. Mannion | ||
Created: | 2017-09-05 01:41:05 | Last modified: | 2022-08-19 10:56:28 |
Access level: | the public | Released: | 2017-09-05 01:41:05 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
63216. | R. G. Jenkins, A. Kaim, K. Sato, K. Moriya, Y. Hikida and R. Hirayama. 2017. Discovery of chemosynthesis-based association on the Cretaceous basal leatherback sea turtle from Japan. Acta Palaeontologica Polonica 62 [E. Vlachos/E. Vlachos] |