Sambosan type locality: Late Triassic, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Chlorophyceae - Dasycladales - Triploporellaceae
CP-259a [MHNG-GEPI-2020-0008]
see common names

Geography
Country:Japan State/province:Shikoku County: Kōchi
Coordinates: 33.6° North, 133.7° East (view map)
Paleocoordinates:39.0° North, 145.2° East (Wright 2013)
Time
Period: Triassic Epoch: Late Triassic
10 m.y. bin: Triassic 3-4
Key time interval: Late Triassic
Age range of interval: 237 - 201.4 m.y. ago
Stratigraphy
Lithology and environment
Primary lithology: lithified "reef rocks"
Lithology description: Limestone breccias with volcaniclastic matrix. This locality is described in detail in Peybernes et al. (2015, 2016a, 2016b; Peybernes et al. under review)
Environment:reef, buildup or bioherm
Geology comments: Microfacies and associated fauna (e.g., hypercalcified sponges) point to reefal depositional environments
Taphonomy
Modes of preservation:body,original aragonite,replaced with calcite
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:all macrofossils
Reason for describing collection:taxonomic analysis
Metadata
Database number:234279
Authorizer:W. Kiessling Enterer:T. Jujihara
Research group:marine invertebrate
Created:2024-03-25 10:20:11 Last modified:2025-02-22 15:12:02
Access level:the public Released:2024-03-25 10:20:11
Creative Commons license:CC0
Reference information

Primary reference:
87972. I. I. Bucur, S. Rigaud, N. Del Piero, A. Fucelli, E. Heerwagen, C. Peybernes, G. Peyrotty, C. Verard, J. Chablais and R. Martini. 2020. Upper Triassic calcareous algae from the Panthalassa Ocean. Rivista Italiana di Paleontologia e Stratigrafia 126(2):499-540 [W. Kiessling/T. Jujihara]