Tanytarsus riopreto species group

Members: Tanytarsus branquini Fittkau et Reiss, 1973, Tanytarsus cuieirensis Fittkau et Reiss, 1973, Tanytarsus cururui Fittkau et Reiss, 1973, Tanytarsus riopreto Fittkau et Reiss, 1973, Tanytarsus meta sp. nov.