Join members of IGCP 653: “The Onset of the Great Ordovician Biodiversification Event” and IGCP 735: “Rocks and the Rise of Ordovician Life” for a virtual conference from 13-16 September, 2021.

Registration is FREE, but REQUIRED in order to receive the links and Zoom password to the online meeting. All attendees must register by September 10th.

Register now for FREE online at

In case of problems with the online registration, please fill in this form and send it to the congress organizers at

Note: For this conference, we have adopted a Conference Code of Conduct (read/download) based on the Paleontological Society (PS) Policy of Non-Discrimination and Code of Conduct (read/download), which all participants are asked to agree to in order to register, as is customary for PS events. The guidelines in the Code of Conduct apply to this virtual meeting just as they would to an in-person meeting.