Crassispira borealis staringii (FOSSIL) (M. Glibert, 1954) † Netherlands
Crassispira bottae (A. Valenciennes in L.C. Kiener, 1839) Mexico, Mazatlan
Otitoma boucheti Morassi, Nappo& Bonfitto, 2017
Tripia branderi (FOSSIL) H.I. Tucker & J. Le Renard †, UK, England, Hampshire9 mm
Carinodrillia braziliensis (E.A. Smith, 1915) Panama East18 mm
Comitas breviplicata (E.A. Smith, 1899) Indo-Pacific
Kurilohadalia brevis A.V. Sysoev& Y.I. Kantor, 1986
Crassispira bridgesi W.H. Dall, 1919 West America
Antiplanes briseis W.H. Dall, 1919 California
Crassispira brocchii (FOSSIL) (G. Bonelli, 1840 †) Spain, Andalusia
Crassispira bruehli P. Stahlschmidt& K. Fraussen, 2014 Philippines, Balabac Island
Crassispira brujae L.G. Hertlein& A.M. Strong, 1951 Mexico, Manzanillo
Carinodrillia buccooensis G.W. Nowell-Usticke, 1971 Panama East18,1 mm
Antimelatoma buchanani (F.W. Hutton, 1873) New Zealand11 mm
Brachytoma buddhaica (FOSSIL) E.W. Vredenburg, 1921 † Myanmar, Magway, Thayetmyo
Antiplanes bulimoides W.H. Dall, 1919 Alaska, Bowers Bank
Leucosyrinx caecilia K.H.J. Thiele, 1925 Indo-Pacific
Crassispira calligona (FOSSIL) (C.J. Maury, 1910 †) Florida, Alum Bluff formation
Crassispira calligona paraconsors (FOSSIL) J. Gardner, 1937 † Florida, Alum Bluff formation30 mm
Hindsiclava calligonoides (FOSSIL) (J. Gardner, 1938 †) Florida, Alum Bluff formation39 mm
Crassispira callosa (L.C. Kiener, 1839) Senegal, Dakar45,6 mm
Sediliopsis calvertensis (FOSSIL) (Martin, 1904 †)
Crassispira cana P.J. Fallon, 2011
Pyrgospira candace (W.H. Dall, 1919) Tobago Island7,5 mm
Epidirona candida C.F. Laseron, 1954 Australia, Cape Everard
Compsodrillia canna (W.H. Dall, 1889) Florida, Tampa19,1 mm
Leucosyrinx canyonensis (R.K. Dell, 1956) New Zealand
Crassispira capella (FOSSIL) A.A. Olsson, 1930 † Peru, Paita
Crassispira carbonaria (L.A. Reeve, 1843) Angola30,6 mm
Epidirona carinata C.F. Laseron, 1954 Australia, Twofold Bay15 mm
Inquisitor carmen (G.B. III Sowerby, 1916) Taiwan
Thelecytharella carnicolor (R.P.J. Hervier, 1896) New Caledonia, Lifou6,9 mm
Hindsiclava caroniana (FOSSIL) (C.J. Maury, 1925 †) Venezuela, Nueva Esparta
Megasurcula carpenteriana (W.M. Gabb, 1865) California, Point Conception84,1 mm
Antiplanes catalinae (W.J. Raymond, 1904) Alamitos Bay, California51,8 mm