Text-fig. 3. Bonanzacarpum sprungerorum gen. et sp. nov., fruits. a) Apical view of UF 18054-55050, showing the peripheral crack (arrows) delineating the apical operculum. Isosurface rendering from micro-CT scan data. b–g) UF 18054-55051. b) Viewing toward the apex, impression containing coalified remains of the endocarp. c) Counterpart specimen, viewed toward the base, impression with subsidence cracks of the endocarp. d, e) Isosurface rendering from micro-CT scan of the specimen in (b, c). Note the clear delineation of operculum in (d) (arrows) and subsidence cracks in (e). f) Digital longitudinal section with arrows indicating the margin of operculum. g) Surface rendering in longitudinal section with arrows indicating margin of operculum. h) Rounded pentangular fruit with convex surface of the base of the locule, DMNH 22486, loc. 323. i) UF 18054-55054, reflected light of concave basal impression with adherent coalified material. j) Surface rendering of specimen in (i), based on micro-CT scan data, showing straight lateral walls and domed base. Scale bar in (a), (b) = 10 mm, bar in (b) applies also to (c–j). in Bonanzacarpum Sprungerorum Sp. Nov. - A Bizarre Fruit From The Eocene Green River Formation In Utah, Usa