intertidal realm造句

Ed Landing recognizes three Stages : Stage 1, spanning the Ediacaran-Cambrian boundary, corresponds to a diversification of biomineralizing animals and of deep and complex burrows; Stage 2 corresponds to the radiation of molluscs and stem-group Brachiopods ( hyoliths and tommotiids ), which apparently arose in intertidal waters; and Stage 3 sees the Atdabanian diversification of trilobites in deeper waters, but little change in the intertidal realm.
It's difficult to find intertidal realm in a sentence. 用intertidal realm造句挺难的