Cyrtolites ornatus (FOSSIL) T.A. Conrad, 1838 † Canada, Ontario, Lake Hurron
Yochelsonellis orphanus (FOSSIL) (J. Perner, 1903 †) Czech Republic, Prague
Paracyrtolites parvus (FOSSIL) (Ulrich & Scofield,1897 †) USA, Ohio, Hamilton
Cyrtonella pileolus (FOSSIL) J.W. Hall, 1859 † USA, New York, Schoharie
Yochelsonellis planicosta (FOSSIL) (J. Perner, 1903 †) Czech Republic, Prague
Sinuitopsina plasi (FOSSIL) Horný, 1997 † Czech Republic, Prague
Quasisinuites rapax (FOSSIL) Horný, 1997 † Morocco, Guelmim - Es-Semara, Tata
Cyrtolites reclinatum (FOSSIL) Trueman & Williams † UK, England
Cyrtolites retrorsus (FOSSIL) Ulrich & Scofield, 1897 † USA, Iowa, Clinton
Cyrtolites rugosus (FOSSIL) J. Perner, 1903 † Czech Republic, Prague
Cyrtolites seminulum (FOSSIL) J. Perner, 1903 † Czech Republic, StÅ™edoĨeský, Praha - západ
Cyrtolites serpentinum (FOSSIL) Trueman & Williams † UK, England, Gloucestershire
Cyrtolites sinuosus (FOSSIL) J.W. Hall, 1879 † USA, Indiana, Rush
Kolihadiscus somerseti (FOSSIL) (Williams & M. Breger,1916 †) United States, Maine, Somerset
Paracyrtolites subplanus (FOSSIL) (Ulrich & Scofield,1897 †) Czech Republic, Sázavou District
Sinuitopsis subquadrata (FOSSIL) Pitcher, 1939 † UK, England, Shropshire
Sinuitopsis subtrilobatus (FOSSIL) J. Perner 1903 †
Cyrtolites thraivensis (FOSSIL) Reed, 1921 † United Kingdom, Scotland, South Ayrshire
Cyrtolites trentonensis (FOSSIL) T.A. Conrad, 1842 †
Cyrtolites tuboides (FOSSIL) J. Perner, 1903 † Czech Republic, Prague
Kolihadiscus tureki (FOSSIL) Horný, 1992 † Czech Republic, Prague
Cyrtolites undulatus (FOSSIL) J. Perner, 1903 †
Cyrtonellopsis vetulum (FOSSIL) (Sardeson, 1896 †) USA, Iowa, Clinton