Kita-Akashi, Sendai City: Langhian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Lamniformes - Otodontidae
Uyenoa benedeni (Le Hon 1871)
Kuga 1985
Cephalopoda - Nautilida - Aturiidae
(1 measurement)
see common names

Geography
Country:Japan
Coordinates: 38.2° North, 140.8° East (view map)
Paleocoordinates:38.1° North, 138.1° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
Stage: Langhian 10 m.y. bin: Cenozoic 5
Key time interval: Langhian
Age range of interval: 15.98 - 13.82 m.y. ago
Stratigraphy
Formation:Moniwa
Stratigraphic resolution:group of beds
Stratigraphy comments: Early Middle Miocene
Lithology and environment
Primary lithology:coarse,gray,blue lithified sandstone
Lithology description: Conglomerate and dark blue gray coarse-grained sandstone, mainly coarse-grained sandstone
Environment:shoreface
Geology comments: Interpreted as tidal zone to shallow marine, gravelly and rocky bottom by Sato (1991)
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: SSME
Metadata
Database number:167460
Authorizer:M. Clapham, M. Uhen Enterer:M. Clapham, M. Uhen
Modifier:M. Clapham Research group:marine invertebrate
Created:2015-03-18 00:50:05 Last modified:2025-02-22 15:12:02
Access level:the public Released:2015-03-18 00:50:05
Creative Commons license:CC0
Reference information

Primary reference:

54640. M. Ehiro, M. Sato, and Y. Takaizumi. 2001. Occurrence of Aturia (Cephalopoda) from the Miocene Moniwa Formation of northeast Honshu, Japan and its paleoenvironmental significance. Earth Science (Chikyu Kagaku) 55:183-186 [M. Clapham/M. Clapham]

Secondary references:

61545 N. Kuga. 1985. Revision of Neogene Mackerel Shark of Genus Isurus from Japan. Memoirs of the Faculty of Sciencem Kyoto University, Series of Geology & Mineralogy 51(1&2):1-20 [M. Uhen/B. Shipps/M. Uhen]