Ammonites
Search for Ammonites
Present HELP ABOUT

Is the umbilicus of the ammonite open or closed?

  1. The umbilicus is wide.
  2. The umbilicus is closed or very narrow.
Restart
CREDITS DISCLAIMER
Powered by PHP
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Special thanks to the Science Museum of Minnesota for aiding this project.

This is version 3.1. Previous version was 3.0. This version's new features are webpages and minor fixes.