Takayama locality (Triassic of Japan)

Where: Shikoku, Japan (33.3° N, 132.4° E: paleocoordinates 44.0° N, 127.0° E)

When: Late/Upper Triassic (237.0 - 201.4 Ma)

Environment/lithology: lagoonal or restricted shallow subtidal; lithified packstone

• Open lagoon (peloid-bioclast Packstone to Grainstone)
• Peloid-bioclast grainstone to packstone, found in Upper Triassic limestones outcropping on the seashore in Takayama area. Limestone units from this locality were studied by Chablais (2010) and Peybernes et al. (2016b)

Size class: mesofossils

Preservation: original aragonite, replaced with calcite

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 234321: authorized by Wolfgang Kiessling, entered by Toshiro Jujihara on 28.03.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Chlorophyceae
 Dasycladales - Dasycladaceae
Gyroporella sp., Physoporella jomdaensis
Gyroporella sp. Gümbel 1872
 Dasycladales - Polyphysaceae
Clypeina cf. besici
 Dasycladales - Triploporellaceae
Griphoporella curvata
Griphoporella curvata Guembel 1915