Juraseg

Juraseg Uhel   Tithonian (149.2 ± 0.7 – 145.0 ± 4.0 Ma)  Kimmeridjian (154.8 ± 0.8 – 149.2 ± 0.7 Ma)  Oksfordian (161.5 ± 1.0 – 154.8 ± 0.8 Ma) Juraseg Kreiz   Kallovian (165.3 ± 1.1 – 161.5 ± 1.0 Ma)  Bathonian (168.2 ± 1.2 – 165.3 ± 1.1 Ma)  Bajosian (170.9 ± 0.8 – 168.2 ± 1.2 Ma)  Aalenian (174.7 ± 0.8 – 170.9 ± 0.8 Ma) Juraseg Izel   Toarsian (184.2 ± 0.3 – 174.7 ± 0.8 Ma)  Pliensbachian (192.9 ± 0.3 – 184.2 ± 0.3 Ma)  Sinemurian (199.5 ± 0.3 – 192.9 ± 0.3 Ma)  Hettangian (201.4 ± 0.2 – 199.5 ± 0.3 Ma)

Rummad:Juraseg
Rummad:Paleontologiezh
Rummad:Skeuliad an amzerioù douarouriezh