Asyrinxia Campbell, 1957 † (taxonomy source)
Asyrinxiinae Waterhouse, 2024 † (original description)
Cundaria Archbold, 1996 † (taxonomy source)
Cyrtella Fredericks, 1924 † (additional source)
Cyrtella campbelli (Armstrong, 1970) † (basis of record)
Cyrtella furcata Waterhouse, 1987 † (basis of record)
Cyrtella papula Waterhouse, 2015 † (basis of record)
Cyrtella subparallela Waterhouse, 1987 † (basis of record)
Permasyrinx Waterhouse, 1986 † (basis of record)
Permasyrinx allandalensis (Armstrong, 1970) † (new combination reference)
Permasyrinx archboldi Waterhouse, 2015 † (basis of record)
Permasyrinx elongata (Armstrong, 1970) † (basis of record)
Permasyrinx granulata (Armstrong, 1970) † (basis of record)
Permasyrinx mundanus Waterhouse, 2022 † (basis of record)
Permasyrinx nobilis (Armstrong, 1970) † (basis of record)
Permasyrinx procera (Armstrong, 1970) † (basis of record)
Permasyrinx prolonga Waterhouse, 1987 † (basis of record)
Permasyrinx subelongata Waterhouse, 1987 † (basis of record)
Permasyrinx transversa (Armstrong, 1970) † (basis of record)
Permasyrinxidae Waterhouse, 1986 † (basis of record)
Permasyrinxinae Waterhouse, 1986 † (basis of record)
Pustulospiriferina Watehouse in Waterhouse, Campbell & Williams, 1983 † (additional source)
Pustulospiriferina australis (Maxwell, 1964) † (additional source)
Pustulospiriferina etheridgei (Armstrong, 1970) † (additional source)
Pustulospiriferina lirata Waterhouse, 1987 † (additional source)
Spiriferellina anguliplica Waterhouse, 1987 † (basis of record)
Spiriferellina disparata Waterhouse, 1987 † (basis of record)
Spiriferellina quadriplicata Waterhouse, 1987 † (basis of record)
Spiriferellinidae Ivanova, 1972 † (additional source)
Sulcicosta Waterhouse, 1983 † (basis of record)
Sulcicosta costata Waterhouse, 1987 † (basis of record)
Sulcicosta dolosus Waterhouse, 1987 † (basis of record)
Sulcicosta lata Waterhouse, 2022 † (basis of record)
Syrella Archbold, 1996 † (basis of record)
Syrella confusa Waterhouse, 2024 † (original description)
Syringothyridae Fredericks, 1926 † represented as Syringothyrididae Fredericks, 1926 † (basis of record)