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, Auckland, New Zealand, v. 3512, n. 1, p. 75–88, 2012. DOI: 10.11646/zootaxa.3512.1.5. Disponível em: https://mapress.com/zt/article/view/zootaxa.3512.1.5. Acesso em: 21 apr. 2025.