Kirkfield age/stage
General information Lower boundary: after 457.5 Ma (based on Mohawkian) Upper boundary: before 455.8 Ma (based on Sandbian) Continent: Europe See collections within this interval See map of collections within this interval Key correlations Period: Ordovician Epoch: Late/Upper Ordovician Stage: early Late Ordovician 10 million year bin: Ordovician 4 Contained within Previous intervals | Shares top with Overlaps with Appears in scale |