Yezo Group

Geology
Age range: base of the Late/Upper Aptian to the top of the Early/Lower Maastrichtian or 119.57000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Aptian121.4 - 113.2Japan (180422)
Aptian121.4 - 113.2Japan (Ishikari) (40549)
Late/Upper Aptian119.57 - 113.2Japan (Ishikari) (91348)
Late/Upper Aptian119.57 - 113.2Japan (Hokkaido) (92723)
Late/Upper Aptian119.57 - 113.2Japan (49990)
Early/Lower Albian113.2 - 110.1Japan (91251)
Early/Lower Albian113.2 - 110.1Japan (Hokkaido) (92724 92725)
Albian113.2 - 100.5Japan (Ishikari) (39820 40605)
Albian113.2 - 100.5Japan (166262 166263)
Albian113.2 - 100.5Japan (Hokkaido) (116906)
Middle Albian110.1 - 106.3Japan (Hokkaido) (92726)
Late/Upper Albian106.3 - 100.5Japan (86980 86981 86982 276127 276128 276129)
Cenomanian100.5 - 93.9Japan (Iburi) (39654)
Cenomanian100.5 - 93.9Russian Federation (Sakhalin) (40230)
Cenomanian100.5 - 93.9Japan (28172 28175 28176 28177 39670 40613 117145 185011)
Cenomanian100.5 - 93.9Japan (Ishikari) (39578 39652 40212 40335)
Early/Lower Cenomanian100.5 - 93.9Japan (86983 86984 86985 212909 212916 229678 229679 229680 229681 229682 236008)
Early/Lower Cenomanian100.5 - 93.9Japan (Hokkaido) (62181 62476 62633 62634 62648 62649 62650 62651 70530 70535 70536 70537)
Late/Upper Cenomanian100.5 - 93.9Japan (Hokkaido) (49046)
Middle Cenomanian100.5 - 93.9Japan (Hokkaido) (276111)
Cenomanian - Middle Turonian100.5 - 89.8Japan (185013)
Cenomanian - Turonian100.5 - 89.8Japan (Hokkaido) (94681)
Cenomanian - Turonian100.5 - 89.8Japan (40607)
Late/Upper Cenomanian - Early/Lower Turonian100.5 - 89.8Japan (Hokkaido) (102078)
Late/Upper Cenomanian - Turonian100.5 - 89.8Japan (Hokkaido) (96023 96024 96025 96026)
Early/Lower Turonian93.9 - 89.8Japan (166220)
Late/Upper Turonian93.9 - 89.8Japan (86986 127345 166213 166214 166215 224870)
Middle Turonian93.9 - 89.8Japan (86987 86988 185008 185009 185014 198670 198671 198672 212859 212913 212914 226956 226957 226958 226959 226960 226961 226962 226963 226964 235725)
Middle Turonian - Late/Upper Turonian93.9 - 89.8Japan (277045)
Turonian93.9 - 89.8Japan (Ishikari) (39577 39669 39823 40218)
Late/Upper Turonian - Coniacian93.9 - 85.7Japan (278450)
Coniacian89.8 - 85.7Japan (Iburi) (40313)
Coniacian89.8 - 85.7Japan (Hidaka) (40587)
Coniacian89.8 - 85.7Japan (Teshio) (40122)
Coniacian89.8 - 85.7Japan (Ishikari) (39824)
Coniacian89.8 - 85.7Japan (39903 166216 166217 166218 166219 181018 233827)
Coniacian89.8 - 85.7Japan (Hokkaido) (96027 96028 96029 96030 96031 96032 96033 166077)
Early/Lower Coniacian89.8 - 85.7Japan (181019 181020 181021 181023)
Late/Upper Coniacian89.8 - 85.7Japan (181022)
Coniacian - Santonian89.8 - 83.6Japan (96942)
Coniacian - Santonian89.8 - 83.6Japan (Hokkaido) (91354 94680 193939)
Coniacian - Campanian89.8 - 72.2Japan (40614)
Early/Lower Santonian85.7 - 83.6Japan (145765 166246 166248)
Late/Upper Santonian85.7 - 83.6Japan (212918 212919 212920 212921 212922 212923 212924 212925)
Santonian85.7 - 83.6Japan (Hokkaido) (95788 96034 96035 96036 96037 96038 96039 96040 96041 96042)
Santonian85.7 - 83.6Japan (39904 62209 62210 62211 62212 62213 62214 62215 62216 62217 62218 62330 62331 62332 62333 62334 62335 62467 62930 127691 166241 166242 185003 185004 185005 185006 185007 185010 185012 185015 185016 222227 222228 278451)
Santonian85.7 - 83.6Japan (Hokkaido Region) (278671)
Santonian85.7 - 83.6Japan (Iburi) (40314)
Santonian85.7 - 83.6Japan (Ishikari) (39825)
Santonian85.7 - 83.6Japan (Hidaka) (40588)
Santonian85.7 - 83.6Japan (Teshio) (40126)
Late/Upper Santonian - Early/Lower Campanian85.7 - 72.2Japan (Hokkaido) (97297 115409 115410)
Santonian - Campanian85.7 - 72.2Japan (Teshio) (40653 234037)
Campanian83.6 - 72.2Japan (Hidaka) (40589)
Campanian83.6 - 72.2Japan (Hokkaido) (94128 94135 96043 96044 96045 96046 117147)
Campanian83.6 - 72.2Japan (39902 62231 62232 62233 62235 62236 62237 62238 62239 74501 87023 87024 87025 87026 87027 87028 87029 87030 87031 87032 87033 117146 166250)
Campanian83.6 - 72.2Japan (Teshio) (39821)
Campanian83.6 - 72.2Japan (Ishikari) (39826)
Early/Lower Campanian83.6 - 72.2Japan (Hokkaido) (87521 152095 276110)
Early/Lower Campanian83.6 - 72.2Japan (Nakagawa) (188484)
Early/Lower Campanian83.6 - 72.2Japan (186849 186850 212860 212865 222226)
Late/Upper Campanian83.6 - 72.2Japan (212915)
Late/Upper Campanian83.6 - 72.2Japan (Hokkaido Region) (278672)
Middle Campanian83.6 - 72.2Japan (199733 199734 199735 199736 199737 199738 199739 199740)
Early/Lower Maastrichtian72.2 - 66.0Japan (Hokkaido) (94767 129271 129272 129273 129274 129275 129276 129277 129278)
Early/Lower Maastrichtian72.2 - 66.0Japan (194131 194132)