shell

Laelaps

Tag archives for shell

Top of the encrusted surface of a brachiopod shell, showing the “war” between an edrioasteroid (star-shaped organism at center) and a fast-growing bryozoan colony. From Sprinkle and Rodgers 2010. Back in the early days of paleontology, when the meaning and origin of fossils was still in doubt, some naturalists believed that the shells, shark teeth,…