- Trilobites of the Devonian traverse group of Michigan (Contributions from the Museum of Paleontology, University of Michigan) by Erwin Charles Stumm, 1953
- The Ordovician trilobites of the Shelve Inlier, west Shropshire, (Palaeontographical Society, vol. 109, no. 470-) by W. F Whittard, 1966
- New Lower Cambrian trilobite faunule from the Taconic sequence of New York (with 12 plates) (Smithsonian miscellaneous collections) by Franco Rasetti, 1966
- Remarks on the appendages of trilobites (Publications from the Institutes of Mineralogy, Paleontology, and Quaternary Geology, University of Lund) by Jan Bergström, 1969
- Agnostid biostratigraphy across the Middle-Upper Cambrian boundary in Hunan, China (Journal of paleontology supplement) by Shanchi Peng, 2000
- Lower Ordovician trilobites from western Utah and eastern Nevada (Utah. Geological and Mineralogical Survey. Bulletin) by Lehi F Hintze, 1952
- Cyclopygid trilobites from Girvan: And a note on Bohemilla (Bulletin of the British Museum) by W. F Whittard, 1952
- The upper Cambrian trilobite-faunas of north China, (China. Geological Survey. Palæontologia sinica, ser. B) by Yün-chu Sun, 1935
- Silicified Middle Ordovician trilobites from the families Encrinuridae and Staurocephalidae (Palaeontographica : Abt. A) by William R Evitt, 1977
- New calmoniid trilobites (Phacopina, Acastoidea) from the Devonian of Bolivia (American Museum novitates) by Maria da Gloria Pires de Carvalho, 2003
- Trilobites of the Henllan Ash, Arenig series, Merioneth (Bulletin of the British Museum) by H. B Whittington, 1966
- Trilobites from the Ozarkian sandstones of the island of Novaya Zemlya (Report of the Scientific results of the Norwegian expedition to Novaya Zemlya 1921) by Charles D Walcott, 1924
- Some trilobites of the lower middle ordovician of eastern North America (Bulletin of the Museum of Comparative Zoology at Harvard College) by Percy E Raymond, 1925
- Simpson group (Middle Ordovician) trilobites of Oklahoma (Paleontological Society. Memoir) by Frederick C Shaw, 1974
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