Takinoike-pond: Early Maastrichtian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Mosasauridae
Tanimoto 2005
Teeth, representing the small and laterally compressed Kourisodon-like type (Tanimoto et al., 2001)
Chondrichthyes
Elasmobranchii indet. (Bonaparte 1838)
Tanimoto 2005
Teeth
Gastropoda - Ampullinidae
G. (Globularia)
Gastropoda - Neogastropoda - Melongenidae
see common names

Geography
Country:Japan County:Osaka
Coordinates: 34.4° North, 135.3° East (view map)
Paleocoordinates:40.4° North, 126.1° East (Wright 2013)
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Maastrichtian 10 m.y. bin: Cretaceous 8
*Period:Late/Upper Cretaceous *Epoch:Senonian
*International age/stage:Early/Lower Maastrichtian
Key time interval: Early Maastrichtian Zone:  Nostoceras hetonaiense
Age range of interval: 72.2 - 66 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Mutsuo Member:Azenotani Mudstone
Stratigraphic resolution:member
Lithology and environment
Primary lithology: sandy siltstone
Lithology description: sandy siltstone
Environment:marine indet.
Geology comments: no paleoenvironmental data
Taphonomy
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:gastropods only
Metadata
Also known as:NSM-PCL11-73-5; Loc. 4 in Matusomoto and Morozumi 1980
Database number:4894
Authorizer:J. Alroy, P. Mannion Enterer:J. Alroy, P. Mannion
Research group:marine invertebrate
Subset of collection #:1396
Created:1999-08-29 11:27:48 Last modified:2025-02-22 15:12:02
Access level:the public Released:2000-11-20 13:53:24
Creative Commons license:CC0
Reference information

Primary reference:
303. T. Kase. 1990. Late Cretaceous gastropods from the Izumi Group of southwest Japan. Journal of Paleontology 64(4):563-578 [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

38237 M. Tanimoto. 2005. Mosasaur remains from the Upper Cretaceous Izumi Group of southwest Japan. Netherlands Journal of Geosciences — Geologie en Mijnbouw 84(3):373-378 [P. Mannion/P. Mannion]