Productidina

Productidina is a suborder of brachiopods containing the families:
 * Superfamily Productoidea
 * Family Productellidae
 * Family Productidae
 * Superfamily Echinoconchoidea
 * Family Echinoconchidae
 * Family Sentosiidae
 * Superfamily Linoproductoidea
 * Family Linoproductidae
 * Family Monticuliferidae
 * Family Shrenkiellidae