Costoanachis carmelita J. Espinosa, J.A. Ortea& R. Fernández-Garcés, 2007
Costoanachis cascabulloi J. Espinosa & J.A. Ortea,2004
Costoanachis chinenensis (FOSSIL) F.S. MacNeil, 1960 †
Costoanachis divilitus (FOSSIL) G.F. Harris & C.J. Maury,1917 †
Costoanachis exilis (FOSSIL) (W.M. Gabb, 1873 †)
Costoanachis floridana (H.A. Rehder, 1939)
Costoanachis geovanysi J. Espinosa & J.A. Ortea,2014
Costoanachis haitensis (FOSSIL) (Sowerby, 1850 †)
Costoanachis hotessieriana (A.V.M.D. D'Orbigny,1842)
Costoanachis indistincta (K.H.J. Thiele, 1925)
Costoanachis jeffreysbayensis Lussi, 2017
Costoanachis lacrima (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 †
Costoanachis leonensis (FOSSIL) (W.C. Mansfield, 1930 †)
Costoanachis leroyi (FOSSIL) F.S. MacNeil, 1960 †
Costoanachis mira (FOSSIL) W.H. Dall, 1896 †
Costoanachis mira fugax (FOSSIL) J. Brown & H.A. Pilsbry,1911 †
Costoanachis paraguanensis (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 †
Costoanachis peyrehoradensis P. Lozouet, 2015
Costoanachis praeterebralis P. Lozouet, 2015
Costoanachis problematica (FOSSIL) (C.R. Laws, 1944 †)
Costoanachis rudyi J. Espinosa & J.A. Ortea,2006
Costoanachis saccostata (FOSSIL) G.E. Radwin, 1968 †
Costoanachis scutulata (L.A. Reeve, 1859)
Costoanachis semiplicata (R.E.C. Stearns, 1873)
Costoanachis sertulariarum (A.V.M.D. D'Orbigny,1839)
Costoanachis similis (E. Ravenel, 1861)
Costoanachis sparsa (L.A. Reeve, 1859)
Costoanachis stevensoni (FOSSIL) E.S. Marks, 1951 †
Costoanachis stibara (FOSSIL) W.P. Woodring, 1964 †
Costoanachis stimpsoni (P. Bartsch, 1915)
Exomilopsis hipkinsi A.W.B. Powell, 1964
Exomilopsis spica (C. Hedley, 1907)
Gatliffena fenestrata (R. Tate & W.L. May,1900)
Glyptanachis hilli (H.A. Pilsbry & H.N. Lowe,1932)