Quasicalathus agonicollis sp. nov., volume rendering of the holotype using different grey scales of the Amira software. 65. Dorsal aspect (the negative imprint of the fossil on the inclusion wall is shown); 66. Basal portion of pronotum and anterior part of elytra (positive of the fossilized beetle is shown; the arrows point to the insertions of the pronotal basolateral setae and the parascutellar setae); 67. Metacoxa (the arrows point to the insertions of the three coxal setae each side); 68–71. Aedeagus in dorsal aspect (68.), Right lateral aspect (69.), Ventral aspect (70.), Left lateral aspect (71.); The remains of the parameres are coloured (red: left paramere; green: right paramere); 72. left lateral aspect of beetle body; the aedeagus (highlighted by red colour) was separated by the segmentation function of Amira software. Abbreviations: bb – basal bulb of aedeagal median lobe; hm – humerus; os – distal ostium of median lobe; sc – scutellum; tl – terminal lamella of median lobe.