Triloculina Josephina Small 203×320 Medium 405×640 Large 649×1024 Download Tiff Original 1520×2400 | (1.3 MB) Description This illustration shows the calcareous shell Triloculina Josephina. These shells are mostly very small, and yet through their abundance they have been very important in limestone-making. Keywords calcareous, josephina, shell, shells, triloculina Galleries Geology Source: James D. Dana, New Text-book of Geology (New York: Ivison, Blakeman & Company, 1883) 66 Courtesy the private collection of Roy Winkelman
