Meteorite impacts and the GOBE?

A new paper published in Nature Communication by a group of IGCP 653-realted authors, led by Anders Lindskog is bringing global media attention once again to the Great Ordovician Biodiversity Event.  Their article (here) indicates that the timing of maximum diversification does not overlap with the significant Middle Ordovician meteorite peak.

Lindskog, A.L., Costa, M.M., Rasmussen, C.M.Ø., Connelly, J.N. & Eriksson, M.E. 2017. Refined Ordovician timescale reveals no link between asteroid breakup and Biodiversification. Nature Communications 14066Online

Original press release

Over 50 news outlets have covered the story, a partial list is here

Some notable coverage:  ResearchGate blog  Science News Science

Note: We are compiling a list of all official IGCP 653 publications on the website publications page.  Please email Alycia Stigall ( whenever you have papers that acknowledge IGCP 653 published so we can keep our list as up to date and inclusive as possible.

4th International Conodont Symposium updates

The organizers of the 4th International Conodont Symposium to be held June 25-30, 2017 at University of Valencia in Spain have released new meeting information including:

2nd Circular

Abstract guidelines (.docx file)

Abstract Template (.doc file)

IGCP 653 is proud to be a sponsor of the meeting which will include the theme session “The rise of conodonts prior to and during the Great Ordovician Biodiversification Event” organized by Drs. Ian Percival and Yong Yi Zhen.