Why bite the right of a trilobite? If old wounds heal, what might they reveal 500 million years later? According to paleontologist Loren E. Babcock, injuries that old can offer surprising information about long-extinct animals. Take, for instance, the trilobite, an ancient,...

ABSTRACT-The progress achieved in trilobite systematics over the last 75 years is briefly reviewed. Different approaches to phylogenetics have influenced the way trilobites have been classified. Classical evolutionary taxonomy, the stratigraphical approach, and cladistics have all contributed in different ways to the current classification,...

Overview of trilobites, the Cambrian period's prolific and diverse class of the Arthropod phylum.