Strophiops primigenia C.J. Maynard, 1913 Bahamas34 mm
Strophiops primordia C.J. Maynard& W.F. Clapp, 1921 Bahamas
Strophiops prisca C.J. Maynard& W.F. Clapp, 1915 Bahamas
Strophiops proavita C.J. Maynard& W.F. Clapp, 1921 Bahamas
Cerion processum (C.J. Maynard& W.F. Clapp, 1920) Bahamas18 mm
Strophiops procliva C.J. Maynard& W.F. Clapp, 1921 Bahamas
Strophiops profunda C.J. Maynard& W.F. Clapp, 1921 Bahamas
Cerion prognata (C.J. Maynard& W.F. Clapp, 1920) Bahamas20 mm
Strophiops progressa C.J. Maynard& W.F. Clapp, 1920 Bahamas
Cerion proteus J. Gundlach, 1860 Cuba32,6 mm
Cerion pseudocyclostomum C.G. Aguayo& M.I. Sánchez Roig, 1953 Cuba
Cerion pulla (C.J. Maynard& W.F. Clapp, 1920) Bahamas22 mm
Cerion pumilia (C.J. Maynard, 1894) Bahamas27,9 mm
Cerion pupa P.F. Röding, 1798 Caribbean
Strophiops purpurea C.J. Maynard, 1913 Caribbean
Cerion pygmaeum H.A. Pilsbry& E.G. Vanatta, 1896 Caribbean
Strophiops ralla C.J. Maynard& W.F. Clapp, 1921 Bahamas
Cerion ramsdeni C. de la Torre in D.A. Welch, 1934 Cuba
Cerion recessa (C.J. Maynard& W.F. Clapp, 1919) Bahamas26 mm
Strophiops rediviva C.J. Maynard, 1913 Bahamas
Cerion regina H.A. Pilsbry& E.G. Vanatta, 1895 Bahamas, Turks & Caicos
Cerion regina brevispira H.A. Pilsbry& E.G. Vanatta, 1895 Turks & Caicos25,6 mm
Cerion regina eucosmium H.A. Pilsbry& E.G. Vanatta, 1895 Turks & Caicos24 mm
Cerion regina percostatum H.A. Pilsbry& E.G. Vanatta, 1895 Turks & Caicos24 mm
Cerion regina swiftii H.A. Pilsbry& E.G. Vanatta, 1895 Turks & Caicos
Cerion regium W.H. Benson, 1841 Bahamas
Strophiops regula C.J. Maynard, 1894 Bahamas
Strophiops rehderi W.J. Clench& C.G. Aguayo, 1952 Bahamas
Strophiops reincarnata C.J. Maynard& W.F. Clapp, 1921 Bahamas
Cerion reliqua (C.J. Maynard& W.F. Clapp, 1921) Bahamas21 mm
Strophiops repetita C.J. Maynard& W.F. Clapp, 1921 Caribbean
Strophiops restricta C.J. Maynard, 1894 Bahamas
Cerion reticulatum W.H. Dall, 1905 Bahamas21 mm
Strophiops rhyssum W.H. Dall, 1905 Bahamas
Cerion ricardi W.J. Clench& C.G. Aguayo, 1951 Cuba