Kitadani (north of Dinosaur Quarry): Aptian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Spalacotheriidae
Symmetrolestes parvus n. gen., n. sp. Tsubamoto and Rougier 2004
1 individual
see common names

Geography
Country:Japan State/province:Fukui County:Katsuyama
Coordinates: 36.1° North, 136.5° East (view map)
Paleocoordinates:43.9° North, 146.8° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Aptian 10 m.y. bin: Cretaceous 3
Key time interval: Aptian
Age range of interval: 121.4 - 113.2 m.y. ago
Stratigraphy
Geological group:Tetori Formation:Kitadani
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: not reported
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:mesofossils
Preservation of anatomical detail:good
Fragmentation:occasional
Temporal resolution:snapshot
Collection methods and comments
Collection methods:surface (float),field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Katsuyama
Database number:74904
Authorizer:T. Tsubamoto Enterer:T. Tsubamoto
Modifier:G. Varnham Research group:vertebrate
Subset of collection #:25235
Created:2007-09-04 23:51:30 Last modified:2025-02-22 15:12:02
Access level:the public Released:2007-09-04 23:51:30
Creative Commons license:CC0
Reference information

Primary reference:
25235. T. Tsubamoto, G. W. Rougier, S. Isaji, M. Manabe, and A. M. Forasiepi. 2004. New Early Cretaceous spalacotheriid "symmetrodont" mammal from Japan. Acta Palaeontologica Polonica 49(3):329-346 [T. Tsubamoto/T. Tsubamoto]

Secondary references:

69508 S.-i. Sano and A. Yabe. 2017. Fauna and flora of Early Cretaceous Tetori Group in central Japan: the clues to revealing the evolution of Cretaceous terrestrial ecosystem in Asia. Palaeoworld 26:253-267 [M. Carrano/M. Carrano]