For questions related to TimeTree, browse the FAQ. For submissions of new data (a published study) to TimeTree, first double check that the study is missing by using the author query on the home page. If missing, send a PDF of the article, or at least the reference, to submissions@timetree.org.

For all other questions or suggestions, send an email to Blair Hedges at info@timetree.org.

Blair Hedges (Pennsylvania State University)

Sudhir Kumar (Arizona State University)