Blog Post Image: MU Scientist Finds Late Cretaceous Period Was Likely Ice-free

Organisms MacLeod studied. In the study, MacLeod examined fossils of organisms that lived 90 million years ago. This photo is an image from a Scanning electron microscope of a planktic (left) and benthic (right) foraminifera from Tanzania. Both shells are less than 0.5 millimeters across. Image credit: University of Missouri

(Visited 3 times, 1 visits today)