Stratotype Point Base of Callovian

http://resource.geosciml.org/classifier/ics/ischart/BaseCallovianSP

label Stratotype Point Base of Callovian
comment candidates are Pfeffingen (Swabian Alb, SW Germany) and in Russia
correlation event Ammonite FAD of the genus Kepplerites (Kosmoceratidae)
(defines Base of Macrocephalites herveyi Zone in sub-Boreal province of Great Britain to southwest Germany)
type
StratigraphicPoint original
Resource original
Concept original
see also index.html original