Schlüter, Nils. 2024. “One Steps Out of line—A ‘modern’ Micraster Species (Echinoidea, Spatangoida) With Some Old-Fashioned Look, Micraster ernsti Sp. Nov. From the Campanian (Cretaceous)”. Zootaxa 5403 (1). Auckland, New Zealand:80-90. https://doi.org/10.11646/zootaxa.5403.1.5.