Subdivision of the Cambrian according to the ICS, as of 2022.[1] Vertical axis scale: millions of years ago
The Canglangpuian age is a Chinese regional subdivision of the Cambrian, corresponding approximately to Cambrian Stage 4.[2]
^"Chart/Time Scale". stratigraphy.org. International Commission on Stratigraphy.
^Rozanov, A. Y.; Zhu, M.; Pak, K. L.; Parkhaev, P. Y. (2008). "The 2nd Sino-Russian Symposium on the Lower Cambrian Subdivision". Paleontological Journal. 42 (4): 441. doi:10.1134/S0031030108040151.