MOOI, R.; KROH, A.; SRIVASTAVA, D. K. Phylogenetic re-evaluation of fossil and extant micro-echinoids with revision of Tridium, Cyamidia, and Lenicyamidia Echinoidea: Clypeasteroida). Zootaxa, Auckland, New Zealand, v. 3857, n. 4, p. 501–526, 2014. DOI: 10.11646/zootaxa.3857.4.3. Disponível em: https://mapress.com/zt/article/view/zootaxa.3857.4.3. Acesso em: 23 apr. 2025.