Callovian (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Callovian" in English language version.

refsWebsite

Global rank English rank

2stratigraphy.org

2,562^nd place

3,215^th place

6,375^th place

4,756^th place

low place

low place

aapg.org

doi.aapg.org

Salvador, Amos (1987). "Late Triassic-Jurassic Paleogeography and Origin of Gulf of Mexico Basin" (PDF). AAPG Bulletin. 71 (4): 419–451. Retrieved 2011-03-09.^{[permanent dead link]}

bgs.ac.uk

"BGS Lexicon of Named Rock Units - Result Details".

stratigraphy.org

"International Chronostratigraphic Chart" (PDF). International Commission on Stratigraphy. December 2024. Retrieved January 1, 2025.
"International Commission on Stratigraphy". stratigraphy.org. Retrieved 2023-02-20.