This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Kimberella timescale . diagram Timescale for en Kimberella to be used with en Template Annotated image Transferred from org en transferred to Commons by User Sfan using de php CommonsHelper br Original text created this work entirely by myself Philcha talk Original uploader was Philcha at org en Released into the public