Fig. 3 in Photography in the ultraviolet and visible violet spectra: Unravelling methods and applications in palaeontology

Fig. 3. Bivalves and gastropods photographed under visible, UV, and VV light. A. Venerid bivalve Chamelea gallina (Linnaeus, 1758) from the Lower Pleistocene Arda River section, Italy. MPUM 12161 (ACG204), right valve in external view. In the white rectangles is highlighted a fine zig zag colour pattern. B. Arcoid bivalve Glycymeris nummaria (Linnaeus, 1758) from the Lower Pleistocene Arda River section, Italy. MPUM 12159 (ACG204-4), left valve in external view. C. Conid gastropod Conus sp. from the Holocene Inqitat Khor Rori Archaeological Park, Oman. MPUM 12163 (BS-148) in apical view. These specimens experienced a 72 h immersion in 50% diluted bleach (MPUM 12161 [ACG204]) or pure bleach (MPUM 12159 [ACG204-4], MPUM 12163 [BS-148]). Visible light, without treatment (A1–C1); visible light, bleach treatment (A2–C2); 365 nm, bleach treatment (A3–C3); 440 nm, bleach treatment (A4–C4).