Agnathiella Sterrer, 1971 (extant flag source)
Agnathiella Sterrer, 1971 (basis of record)
Austrognatharia Sterrer, 1971 (basis of record)
Austrognatharia Sterrer, 1971 (extant flag source)
Austrognathia Sterrer, 1965 (basis of record)
Austrognathia Sterrer, 1965 (extant flag source)
Corculognathia Ehlers & Ehlers, 1973 (basis of record)
Corculognathia Ehlers & Ehlers, 1973 (extant flag source)
Gnathostomaria Ax, 1956 (basis of record)
Gnathostomaria Ax, 1956 (extant flag source)
Gnathostomula Ax, 1956 (extant flag source)
Gnathostomula Ax, 1956 (basis of record)
Haplognathia Sterrer, 1970 (extant flag source)
Haplognathia Sterrer, 1970 (basis of record)
Mesognatharia Sterrer, 1966 (extant flag source)
Mesognatharia Sterrer, 1966 (basis of record)
Onychognathia Riedl, 1971 (basis of record)
Onychognathia Riedl, 1971 (extant flag source)
Problognathia Sterrer & Farris, 1975 (basis of record)
Problognathia Sterrer & Farris, 1975 (extant flag source)
Pterognathia Sterrer, 1966 (basis of record)
Pterognathia Sterrer, 1966 (extant flag source)
Rastrognathia Kristensen & Nørrevang, 1977 (extant flag source)
Rastrognathia Kristensen & Nørrevang, 1977 (basis of record)
Semaeognathia Riedl, 1970 (extant flag source)
Semaeognathia Riedl, 1970 (basis of record)
Tenuignathia Sterrer, 1976 (basis of record)
Tenuignathia Sterrer, 1976 (extant flag source)