Saucède T, Dudicourt J-C, Courville P. Description of two new fossil echinoids (Echinodermata: Echinoidea) from the Early Hauterivian (Early Cretaceous) of the Paris Basin (France). Zootaxa [Internet]. 2012 Oct. 10 [cited 2025 May 2];3512(1):75–88. Available from: https://www.mapress.com/zt/article/view/zootaxa.3512.1.5