Revision of the oryctocephalid trilobite genera Arthricocephalus Bergeron and Oryctocarella Tomashpolskaya and Karpinski (Cambrian) from South China and Siberia | Journal of Paleontology | Cambridge Core
Agnostid Trilobite Fossils - Utah: Facts and Information about the Agnostid trilobites - peronopsis
Poem of the week: The Lay of the Trilobite by May Kendall | Poetry | The Guardian
10 Different Types Of Trilobites (Identifying Trilobite Fossils) - Rock Seeker