ammonites

Marjumian age/stage

General information
Lower boundary: after 513 Ma (based on Middle Cambrian)
Upper boundary: before 498.5 Ma (based on Idamean)
Continent: North America
See collections within this interval
See map of collections within this interval
Key correlations
Period: Cambrian
Contained within
  • Cambrian
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Caerfai
  • Lenian
  • Rhinog
  • Waucoban
  • Toyonian
  • Botomian
  • Early/Lower Cambrian
  • Ordian
  • Duyunian
  • Nangaoian
  • Dyeran
  • Branchian
  • Qiandongian
    • Next intervals
  • Ketyan
  • Yurakian
  • Iverian
  • Taoyuanian
  • Sunwaptan
  • Batyrbaian
  • Aksayan
  • Niuchehean
    • Contains
  • Boomerangian, Floran, Guzhangian, Mayan, Undillan, Wangcunian, Zhanarykian
    • Shares base with
  • Albertian, Amgan, Arcadian, Barmouth, Clogau, Delamaran, Gamlan, Hafotty, Menevian, Middle Cambrian, Solvan, St Davids, Taijangian, Templetonian, Tyesaian, Wulingian
    • Shares top with
  • Ayusokkanian, Ensyan, Idamean, Maduan, Mindyallan, Nganasanian, Paibian, Waergangian, Youshuanian
    • Overlaps with
  • Olentian (501.0 to 484.5 Ma)
  • Merioneth (501.0 to 488.3 Ma)
  • Dolgellian (501.0 to 488.3 Ma)
  • Maentwrogian (501.0 to 488.3 Ma)
  • Dolgelly (501.0 to 488.3 Ma)
  • Ffestiniog (501.0 to 488.3 Ma)
  • Maentwrog (501.0 to 488.3 Ma)
  • Trempealeauan (501.0 to 488.3 Ma)
  • Franconian (501.0 to 488.3 Ma)
  • Dresbachian (501.0 to 488.3 Ma)
  • Furongian (501.0 to 488.3 Ma)
  • Tavgian (501.0 to 488.3 Ma)
  • Millardan (501.0 to 488.3 Ma)
  • Steptoean (501.0 to 488.3 Ma)
  • Sakian (501.0 to 488.3 Ma)
  • Merionethian (501.0 to 488.3 Ma)
  • Lincolnian (513.0 to 498.5 Ma)
    • Appears in scale
  • Gradstein Cambro-Ordovician Stages of Laurentia (2004)

    • Interval name: