Where: Hokuriku, Japan (37.3° N, 136.8° E: paleocoordinates 40.0° N, 134.1° E)
• coordinate stated in text
When: CN5a nannofossil zone, Andaibara Formation, Middle Miocene (16.0 - 11.6 Ma)
• CN5a of Calcareous Nannoplankton Zone by Okada and Bukry (Kami et al., 1981).
• formation-level stratigraphic resolution
Environment/lithology: calcareous sandstone
Size class: macrofossils
Collection methods: The described specimens are reposited at the Department of Earth Sciences, Faculty of Science, Kanazawa University.
Primary reference: H. Karasawa. 1989. Late Cenozoic Elasmobranchs from the Hokuriku district, central Japan. The Science reports of the Kanazawa University 34(1):1-57 [C. Jaramillo/C. Pimiento]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 161491: authorized by Carlos Jaramillo, entered by Catalina Pimiento on 06.09.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Scaphopoda | |
Fissidentalium yokoyamai tusk shell | |
Bivalvia | |
Gloripallium crassivenium Yokoyama 1929 scallop | |
"Lucinoma acutilineatum" = Lucinoma acutilineata
"Lucinoma acutilineatum" = Lucinoma acutilineata Conrad 1849 clam | |
Chondrichthyes | |
Isurus planus, "Isurus hastalis" = Carcharodon hastalis
Isurus planus Agassiz 1856 mackerel shark
"Isurus hastalis" = Carcharodon hastalis Agassiz 1838 white shark | |
Globothalamea | |
Cibicides sp. Monfort 1808 |