Figure 19.15 The septum of an ammonite (white component, left), therefore the suture contours in which the septae meet with the external layer (correct) Foraminiferaaˆ”small, calcium supplements carbonate-shelled aquatic organisms that began while in the Triassic and they are nevertheless alive todayaˆ”are in addition of use biozone fossils. Many various foraminifera stayed throughout Cretaceous course, […]
