Where: Japan (39.3° N, 140.4° E: paleocoordinates 41.9° N, 137.9° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Sugota Formation, Serravallian (13.8 - 11.6 Ma)
• From the middle or possibly lower part of the Sugota beds. Sugota Formation contains diatoms of zones NPD 5A and 5B, indicating Serravallian age.
• group of beds-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; unlithified, coarse-grained, muddy sandstone
Size class: macrofossils
Collection methods: Repository: Saito Ho-on Museum
Primary reference: K. M. Hatai. 1940. The Cenozoic Brachiopoda of Japan. Science Reports, Tohoku Imperial University, Series 2 20:1-413 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 190741: authorized by Matthew Clapham, entered by Matthew Clapham on 16.12.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Hemithyris peculiaris n. sp.
Hemithyris peculiaris n. sp. Nomura and Hatai 1936 | |
Terebratulina tohokuensis, Terebratulina japonica, Terebratulina akitana n. sp., Terebratulina honsyuensis n. sp.
Terebratulina tohokuensis Nomura and Hatai 1936
Terebratulina japonica Sowerby 1846
Terebratulina akitana n. sp. Nomura and Hatai 1936
Terebratulina honsyuensis n. sp. Nomura and Hatai 1936 | |
Macandrevia nipponica n. sp.
Macandrevia nipponica n. sp. Nomura and Hatai 1936 | |
Coptothyris grayi Davidson 1852
Terebratalia tenuis Hayasaka 1922 |