Anconia elenensis (FOSSIL) A.A. Olsson, 1931 †
Aylacostoma araguayana (H.F.A. von Ihering,1902)
Aylacostoma ava (FOSSIL) H.A. Pilsbry& A.A. Olsson, 1935 †
Aylacostoma behni (L.A. Reeve, 1860)
Aylacostoma bicinctum (L.A. Reeve, 1860)
Aylacostoma browni (FOSSIL) (Etheridge, 1879 †)
Aylacostoma brunneum R.E. Vogler & J.G. Peso,2014
Aylacostoma chloroticum P.H. Scott, 1954
Aylacostoma ci L.R.L. Simone, 2001
Aylacostoma crenocarinum (S. Moricand, 1841)
Aylacostoma decapitatum (J.B. von Spix, 1827)
Aylacostoma elongatum (F.C. Baker, 1913)
Aylacostoma exoplicata L.R.L. Simone, 2001
Aylacostoma flammeum (F.C. Baker, 1913)
Aylacostoma francanum (H.F.A. von Ihering,1909)
Aylacostoma glabrum J.B. von Spix, 1827
Aylacostoma goyazinum (H.F.A. von Ihering,1909)
Aylacostoma guaraniticum (P.H. Scott, 1953)
Aylacostoma kochi (A.C. Bernardi, 1856)
Aylacostoma lataguensis (FOSSIL) Nuttall, 1990 †
Aylacostoma maculatum (I. Lea, 1832)
Aylacostoma obesum (L.A. Reeve, 1860)
Aylacostoma ornatum Unknown Author
Aylacostoma pulcher (L.A. Reeve, 1860)
Aylacostoma rubiginosum (P.M.A. Morelet, 1849)
Aylacostoma stigmaticum P.H. Scott, 1954
Aylacostoma strigillatum (R.W. Dunker, 1843)
Aylacostoma tenuilabris (L.A. Reeve, 1860)
Aylacostoma ternatanum Unknown Author
Aylacostoma tuberculatum J.B. von Spix, 1827
Aylacostoma venezuelensis (R.W. Dunker & L.A. Reeve,1859)
Bayania bezanconi (FOSSIL) (Vasseur, 1881 †)
Bayania boussaci (FOSSIL) Szöts, 1953 †
Bayania epelys (FOSSIL) W.P. Woodring, 1973 †
Bayania fasciata (FOSSIL) (J. de C. Sowerby,1819 †)
Bayania hordacea (FOSSIL) (J.B.P.A. Lamarck,1804 †)