FIGURE 3. Comparison of scanned and digitized suture patterns. Suture pattern is from Neogastroplites muelleri, USNM 129491, Reeside and Cobban (1960), figure 19d. 3.1 Suture pattern as scanned from printed original source by flatbed scanner at 600 dpi. 3.2 Same suture pattern as in 3.1, after digitizing in ArcMap.