Just because trilobites are extinct, doesn't mean you can't dissect one and examine their internal and external structures virtually, and even build a trilobite model into a book! For almost 300 million years, these highly versatile and adaptive arthropods lived on our Earth. There are over 50 parts to identify from dorsal, ventral, latitudinal, longitudinal, and close-up illustrations, all drawn by hand and digitized. Highly unique resource and makes learning about anatomy FUN. This was made fo