Strophalosiidina is a suborder of Brachiopod containing the families:
Superfamily Strophalosioidea Family Strophalosiidae Family Chonopectidae Family Araksalosiidae Superfamily Aulostegoidea Family Aulostegidae Family Cooperinidae Family Scacchinellidae Superfamily Richthofenioidea Family Richthofeniidae Family Hercosiidae Family Cyclacanthariidae Family Gemmellaroiidae
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