Heliacus proteus (R. Bieler, 1993) Philippines
Discotectonica pseudoperspectiva (G.B. Brocchi, 1814) Angola19 mm
Architectonica purpurata (R.B. Hinds, 1844) India, Pondicherry27,5 mm
Architectonica puruensis (FOSSIL) (K. Martin, 1914 †) Indonesia, Java
Architectonica quadriserata (FOSSIL) G.B. Sowerby, 1850 † Dominican Republic26 mm
Solatisonax radialis (W.H. Dall, 1908) Japan, Wakayama
Psilaxis radiatus (P.F. Röding, 1798) Philippines, Cebu22 mm
Adelphotectonica reevei (S.C.T. Hanley, 1862) Australia, Cape Moreton29 mm
Architectonica regia (S.C.T. Hanley, 1862) Oman
Solatisonax rehderi R. Bieler, 1993 Hawaii
Disculus renati (P. Dautzenberg, 1894) Morocco, cap Cantin8 mm
Heliacus reticulatus (FOSSIL) D.T. Dockery, 1993 † USA, Mississippi, Lee
Calodisculus retifera (FOSSIL) (W.H. Dall, 1892 †)
Architectonica rhicna (FOSSIL) W.P. Woodring, 1959 † Panama, Colón
Heliacus riisei (O.A.L. Mörch, 1875)
Heliacus rotula (R.N. Kilburn, 1975) South Africa
Spirolaxis rotulacatharinea (J.C. Melvill& R. Standen, 1903) Philippines, Pandanon Island3,2 mm
Solatisonax rudigerbieleri D. de Oliveira Tenório, J.C.N. Barros& al., 2011 Canopus Bank, Brazil4,3 mm
Architectonica saghaensis (FOSSIL) Abbass, 1967 † Egypt, Fayium
Architectonica scrobiculata (FOSSIL) (T.A. Conrad, 1833 †) USA, Texas16 mm
Architectonica sedanensis (FOSSIL) (K. Martin, 1905 †) Indonesia, Java
Architectonica sedgwickii (FOSSIL) Seeley † UK, Cambridgeshire
Discotectonica semisquamosa (FOSSIL) (H.G. Bronn, 1831 †) Spain, Malaga17 mm
Discotectonica seniscula (FOSSIL) (J. Marwick, 1931 †)
Pseudotorinia sestertius R. Bieler, 1993 Philippines
Heliacus siculus (F.J. Cantraine, 1842) Spain, Malaga
Solatisonax sigsbeei (W.H. Dall, 1889) Bahamas8 mm
Basisulcata simplex (FOSSIL) (H.G. Bronn, 1831 †) Belgium7 mm
Architectonica sokkohensis (FOSSIL) (K. Martin, 1916 †) Indonesia, Java
Architectonica songoensis (FOSSIL) (K. Martin, 1914 †) Indonesia, Java
Solariaxis spectabilis (FOSSIL) (Sowerby, 1850 †) Nigeria, Akwa Ibom, Ika
Architectonica spencerii E.A. Allen, 1858
Architectonica spinogula (FOSSIL) C.R. Laws, 1941 † New Zealand
Architectonica stellata (R.A. Philippi, 1849) Gulf of Oman
Architectonica stephanense (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1921 † France, Aquitaine17 mm