Alessandro Minelli, Giuseppe Risco & Nigel Hughes (2003). «Tagmata and segment specification in trilobites». En Richard A. Fortey, ed. Trilobites and their Relatives: Contributions from the Third International Conference, Oxford 2001. Issue 70 of Special Papers in Palaeontology. Wiley-Blackwell. pp. 31-43. ISBN978-0-901702-81-4.
Gary C. B. Poore, Shane T. Ahyong (2004). «Brachyura – crabs». Marine Decapod Crustacea of Southern Australia: a Guide to Identification. CSIRO Publishing. pp. 289-515. ISBN978-0-643-06906-0.