Pilsbryspira auberti (É. Lamy, 1934) Panama
Paracomitas augusta (R. Murdoch& H.H. Suter, 1906) New Zealand, North Island
Paracomitas augusta powelli R.K. Dell, 1956 New Zealand
Crassispira aurea Kantor, Stahlschmidt, Aznar-Cormano, Bouchet& Puillandre, 2016
Viridrillia aureofasciata E.F. Garcia, 2008 Alabama
Pilsbryspira aureonodosa (H.A. Pilsbry& H.N. Lowe, 1932) Panama West18 mm
Inquisitor awamoaensis (FOSSIL) (F.W. Hutton, 1873 †) New Zealand, Oamaru
Pilsbryspira bacchia (W.H. Dall, 1919) Mexico, Sonora16 mm
Leucosyrinx badenpowelli R.K. Dell, 1990 Antarctica, Victoria Land
Crassispira ballenaensis L.G. Hertlein& A.M. Strong, 1951 Panama West41 mm
Crassiclava balteata R.N. Kilburn, 1988 Caribbean
Crassispira bandata (G.W. Nowell-Usticke,1969) Bahamas
Leucosyrinx barashi F. Nordsieck, 1982 Israel
Crassispira bataviana (FOSSIL) Martin, 1895 † Myanmar, Magway, Thayetmyo
Otitoma batjanensis (M.M. Schepman, 1913) Indonesia, Sulawesi
Ptychobela baynhami (E.A. Smith, 1891) Sudan17,9 mm
Epidirona beachportensis (B.C. Cotton& F.C. Godfrey, 1938)
Carinodrillia bella (FOSSIL) (T.A. Conrad, 1862 †)
Antiplanes beringi (C.W.S. Aurivillius,1885) America
Crassispira bernardi F. Fernandes, E. Rolán& J. Otero-Schmidt, 1995 Angola
Paracomitas beui (FOSSIL) (P.A. Maxwell, 1988 †) New Zealand
Miraclathurella bicanalifera (G.B. I Sowerby, 1834) Costa Rica12 mm
Compsodrillia bicarinata (D.R. Shasky, 1961) Panama West49,1 mm
Crassispira bifurca (E.A. Smith, 1888) Pacific Panama
Monilispira bigemma (FOSSIL) (W.H. Dall, 1890 †) Florida
Comitas bilix (FOSSIL) J. Marwick, 1931 †
Plicisyrinx binicostata A.V. Sysoev& Y.I. Kantor, 1986
Crassispira birmanica (FOSSIL) E.W. Vredenburg, 1921 † Myanmar, Magway, Thayetmyo
Crassispira blanquilla P.J. Fallon, 2011
Hindsiclava blountensis (FOSSIL) (W.C. Mansfield, 1935 †)
Crassispira boadicea (FOSSIL) (W.H. Dall †) Florida, Alum Bluff formation25 mm
Carinodrillia bocatoroensis (FOSSIL) A.A. Olsson, 1922 † Jamaica, Saint Thomas
Leucosyrinx bolbodes (R.B. Watson, 1881) East America
Comitas bolognai L. Bozzetti, 2001 Madagascar, Tulear89,4 mm
Crassispira borealis (FOSSIL) (F. Kautsky, 1925 †) Belgium35 mm