Mihaljević, Morana, Iwan Jerjen, and Andrew B. Smith. “The Test Architecture of Clypeaster (Echinoidea, Clypeasteroida) and Its Phylogenetic Significance MORANA MIHALJEVIĆ (Switzerland), IWAN JERJEN (Switzerland) &Amp; ANDREW B. SMITH (UK)”. Zootaxa 2983, no. 1 (August 3, 2011): 21–38. Accessed April 3, 2025. https://mapress.com/zt/article/view/zootaxa.2983.1.2.