Where: Hokkaido, Japan (42.8° N, 142.1° E: paleocoordinates 47.6° N, 131.3° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Upper Yezo Group, Campanian (83.6 - 72.1 Ma)
Environment/lithology: marine; lithology not reported
Size class: microfossils
Collection methods: bulk, chemical,
• Tohoku University Institute of Geology and Paleontology collection
•"treated rock samples"
Primary reference: K. Ishizaki. 1992. Campanian planktonic foraminifers and ostracodes from Hobetsu, Hokkaido, northern Japan. Part 2. Ostracodes . Centenary of Japanese Micropaleontology 327-333 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 94135: authorized by John Alroy, entered by John Alroy on 09.02.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Ostracoda | |
Cytherella cf. fragilis ostracod
? Cytherelloidea zoetgeneugdensis ostracod | |
Rehacythereis cf. matronae ostracod | |
? Acrocythere sp. Neale 1960 ostracod | |
Nigeria sp. Reyment 1963 ostracod | |
? Arculicythere sp. Grekoff 1963 ostracod | |
? Scepticocythereis sp. ostracod |