This category includes biological taxa of rank more inclusive than genus that went extinct during the Second Cambrian epoch of geologic time, between 521 and 509 million years ago, as well as genera and species that evolved during this time and persisted across multiple geological epochs.
Pages in category "Cambrian Series 2 extinctions"
The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes.