Complex sentence: The sides of the shell are flat giving it a triangular profile and the whorls are heavily sculptured with strongly beaded spiral cords along the periphery and the subsutural region with weakly beaded spiral cords in between.
Split into simpler sentences: The sides of the shell are flat, giving it a triangular profile. The whorls are heavily sculptured with strongly beaded spiral cords along the periphery and the subsutural region with weakly beaded spiral cords in between.