FIGURE 4 in Late Cretaceous species of Vologesia (Echinoidea, Cassiduloida) from northern Spain

FIGURE 4. Vologesia rollingstones sp. nov.; A, holotype, MB.E.6224, detail of apical area; B, paratype, MB.E.6225, detail of peristomial area; both from Langre, Cantabria, northern Spain, Sponge Rhythmites (Scaphites hippocrepis III Zone, lower Campanian). Both specimens coated with ammonium chloride prior to photography. Scale bars equal 5 mm.Published as part of Schlüter, Nils & Wiese, Frank, 2017, Late Cretaceous species of Vologesia (Echinoidea, Cassiduloida) from northern Spain, pp. 261-270 in Zootaxa 4306 (2) on page 265, DOI: 10.11646/zootaxa.4306.2.6, http://zenodo.org/record/84379