Type
Zone
Age range
93.9–93.55 Ma

International Timescale

Late Cretaceous
Turonian
Cenomanian

Ammonite Zonation - Western Interior

Vascoceras birchbyi
Pseudaspidoceras flexuosum
Watinoceras devonense
93.9093.8893.8693.8493.8293.8093.7893.7693.7493.7293.7093.6893.6693.6493.6293.6093.5893.5693.54

Macrostrat

Data

Platform

Links

Actions

View on map View in Sift