title: Trilobites.
authors: Department of Earth Sciences, University of California, Riverside, California 92521, USA. nigel.hughes@ucr.edu
authors: Nigel C
authors: NC
authors: Hughes
mesh_terms: D000818:Animals; D001181:Arthropods / Q000033:anatomy & histology* / Q000254:growth & development; D005075:Biological Evolution; D005580:Fossils