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Plectorthoidea

A superfamily of brachiopods containing:Family Plectorthidae Family Cremnorthidae Family Cyclocoeliidae Family Eoorthidae Family Euorthisinidae Family Finkelnburgiidae Family Giraldiellidae Family Phragmorthidae Family Platystrophiidae Family Ranorthidae Family Rhactorthidae Family Tasmanorthidae Family Wangyuiidae