Nopporo Hills: Late Pleistocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pinopsida - Pinales - Pinaceae
Abies sp. Miller 1754
Tsuga sp. Carrière 1855
Angiospermae - Fagales - Betulaceae
Bivalvia - Arcida - Limopsidae
Bivalvia - Pectinida - Pectinidae
    = Chlamys daishakaensis Masuda and Sawada 1961
Kafanov et al. 2001
Bivalvia - Cardiida - Cardiidae
Osteichthyes - Cetacea
Osteichthyes - Carnivora - Odobenidae
Ishiguri and Kimura 1993
Osteichthyes - Sirenia - Dugongidae
Osteichthyes - Proboscidea - Elephantidae
see common names

Geography
Country:Japan State/province:Hokkaido
Coordinates: 42.8° North, 141.5° East (view map)
Paleocoordinates:
Basis of coordinate:estimated from map
Time
Period: Quaternary Epoch: Pleistocene
Stage: Late Pleistocene 10 m.y. bin: Cenozoic 6
Key time interval: Late Pleistocene
Age range of interval: 0.129 - 0.0117 m.y. ago
Stratigraphy
Formation:Shimonopporo
Stratigraphy comments: early to middle Pleistocene; Late Pleistocene age after Furusawa (2005).
Lithology and environment
Primary lithology: unlithified conglomerate
Secondary lithology: unlithified sandstone
Includes fossils?Y
Lithology description: gravel
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:Kitahiroshima
Database number:65401
Authorizer:M. Uhen, A. Hendy Enterer:M. Uhen, A. Hendy
Modifier:M. Uhen Research group:vertebrate
Created:2006-09-21 12:33:49 Last modified:2025-02-22 15:12:02
Access level:the public Released:2006-09-21 12:33:49
Creative Commons license:CC0
Reference information

Primary reference:
18850. S. Shinohara, M. Kimura, and H. Furusawa. 1985. Steller's Sea-cow (Hydrodamalis gigas) from the Nopporo Hills in the Ishikari lowland, Hokkaido, Japan. The Association for the Geological Collaboration in Japan Monograph 30:97-117 [M. Uhen/M. Uhen/M. Uhen]

Secondary references:

25591 H. Ishiguri and M. Kimura. 1993. Odobenus rosmarus from Lower Pleistocene in the Nopporo Hills, Hokkaido, Japan. Chikyu Kagaku 47(2):147-152 [M. Uhen/M. Uhen]
23801 A. I. Kafanov, K. Ogasawara, and L. Marincovich, Jr. 2001. Checklist and bibliography of the Cenozoic Bivalvia (Mollusca) of Northeastern Asia (Russian Far East), 1968-1999. Bulletin of the Mizunami Fossil Museum 28:1-138 [A. Hendy/A. Hendy]
64080 Y. Kawamura. 1991. Quaternary mammalian faunas in the Japanese Islands. The Quaternary Research 30(2):213-220 [M. Uhen/M. Uhen/M. Uhen]