Become a member
Membership fees have been waived until and including 2023. Please e-mail Secretary Torsten Dikow (DikowT@si.edu) to join the Willi Hennig Society during this time.
Paying dues by credit card
The secure online transaction page will take you to a safe site at Authorize.net where you can enter the relevant credit card and shipping information (i.e., where you want the journal to be sent).
Change of address for subscribers of Cladistics
If your mailing address for receipt of Cladistics has changed, please contact Elena Rodríguez Gay via email@example.com.