A revised classification is presented for the Foraminiferida, combining the results of our research with various partial or more inclusive reclassifications that have appeared during the past two decades. The total 591 suprageneric taxa used herein for the Order Foraminiferida include 12 suborders, 63 superfamilies, 253 families and 263 subfamilies. Brief definitions are given herein for all recognized suprageneric taxa within the Foraminiferida. The synonymy listed for these suprageneric taxa includes only those taxa based on included genera. An index to recognized suprageneric taxa is included.