HomeHHMI's BioInteractiveSorting Seashells


Free Resources for Science Education

Click & Learn
Sorting Seashells


Explore principles of taxonomy by sorting seashells according to their morphological characteristics and constructing an evolutionary tree.

Start Click and Learn

Taxonomy groups species by common traits. Modern taxonomy emphasizes evolutionary relatedness. Explore some principles of taxonomy by sorting twenty shells by their morphological characteristics.

Whenever a pictorial index of shells appears, you can click on an image of a shell to open it in a separate window. There you can click and drag your mouse over the shell to rotate it for a more detailed examination. Additionally, you can use the small buttons in the lower right corner of the window to rotate the shell.