I first came across Caminalcules when I was studying for my biology degree and we covered biosystematics. We then used Caminalcules for the training of Ph.D. students in taxonomy. This exercise is now widely used and several versions can be found on the web. I have adapted it to make it a bit more fun and light-hearted! Here is a link to the images that will be needed in this exercise and here is the timeline that can...