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Meristina

Meristina The shell of these relatively large brachiopods are triangular to round in shape and are often longer than they are wide. The brachial valve has a broad, shallow fold, with a corresponding sulcus on the pedicle valve. The apex areas on both valves are strongly curved in, concealing the pedicle opening in large forms. Both valves are unornamented. HABITAT Meristina is found in small clusters in fine-grained muddy limestones. It probably lived in shallow water. .