ammonites

Downton age/stage

General information
Lower boundary: equal to 418.7 Ma (based on Pridoli)
Upper boundary: before 412.3 Ma (based on Lochkovian)
Continent: Europe
See collections within this interval
See map of collections within this interval
Contained within
  • Sherman
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Ludlow
  • Ludfordian
  • Whitcliffe
  • Leintwardine
  • Kopaninaschichten
  • Hamra
  • Burgsvik
  • Eke
  • Hemse
  • Kuressaare
  • Paadla
  • Kuimov
    • Next intervals
  • Pragian
  • Brecon
  • Coblencien
  • Siegen
  • Pragian (Czechoslovakia)
    • Shares base with
  • Downton Castle, Kaugetuma, Ohesaare, Pridoli, Pridolischichten, Red Downtonian, Sundre, Temeside Shales, unnamed Pridoli stage
    • Shares top with
  • Ditton, Gedinne, Gedinnine, Lochkovian
    • Overlaps with
  • Devonian (416.0 to 360.7 Ma)
  • Early/Lower Devonian (416.0 to 391.9 Ma)
  • Helderberg (416.0 to 391.9 Ma)
  • Lochkovian (Czechoslovakia) (416.0 to 409.1 Ma)
  • Cayugan (422.9 to 416.0 Ma)
  • Salina (422.9 to 416.0 Ma)
  • Silurian (443.7 to 416.0 Ma)
    • Appears in scale
  • Harland Devonian of England (1990)

    • Interval name: