Related Subjects
Cenomanian
Cretaceous
Hokkaido
Turonian
Yezo Group
planktonic foraminifera
Biostratigraphy
Hobetsu
"Orbitolina-Praecaprotina limestone"
456
Carbon isotope
Carbon isotopes
Collignoniceras
Datum plane
Early Cretaceous
Helvetoglobotruncana
Helvetoglobotruncana helvetica
Inoceramus
OAE
Oceanic Anoxic Event (OAE)
Organic carbon
Oyubari section
Planktonic foraminifera
Pueblo section
Sakhalin
T) boundary
Turonian(C
Whiteinella archaeocretacea Zone
bio-stratigraphy
biostratigraphy