Alectrion brassoensis Mansfield, 1925 † (original description)
Ancilla brassica Maury, 1925 † (additional source)
Ancilla caroniana Maury, 1925 † (basis of record)
Ancilla caroniana springvalensis Mansfield, 1925 † (original description)
Ancilla lamellata (Guppy, 1866) † (basis of record)
Ancilla paralamellata Mansfield, 1925 † (original description)
Borsonia (Paraborsonia) brassoensis Mansfield, 1925 † represented as Paraborsonia brassoensis (Mansfield, 1925) † (original description)
Cancellaria bullbrooki Mansfield, 1925 † (original description)
Cancellaria springvaleensis Mansfield, 1925 † (original description)
Conus manzanillaensis Mansfield, 1925 † (original description)
Conus multiliratus walli Mansfield, 1925 † accepted as Conus walli Mansfield, 1925 † (original description)
Conus springvaleensis Mansfield, 1925 † (original description)
Conus trinitatensis Mansfield, 1925 † (original description)
Cylichnella ovumlacerti (Guppy, 1867) † (basis of record)
Cypraea trinitatensis Mansfield, 1925 † accepted as Trona trinitatensis (Mansfield, 1925) † (original description)
Drillia consors bullbrooki Mansfield, 1925 † (original description)
Drillia consors trinitatensis Mansfield, 1925 † (original description)
Drillia daditrina Mansfield, 1925 † (original description)
Drillia inadrina Mansfield, 1925 † (original description)
Drillia inniadda Mansfield, 1925 † (original description)
Drillia manzanillaensis Mansfield, 1925 † (original description)
Drillia niaddrina Mansfield, 1925 † accepted as Cerodrillia niaddrina (Mansfield, 1925) † (original description)
Drillia nitrina Mansfield, 1925 † (original description)
Drillia pennyi Mansfield, 1925 † (original description)
Drillia pennyi acaria Mansfield, 1925 † (original description)
Drillia propefusiformis Mansfield, 1925 † accepted as Carinodrillia propefusiformis (Mansfield, 1925) † (original description)
Drillia ritanida Mansfield, 1925 † accepted as Crassispira ritanida (Mansfield, 1925) † (original description)
Drillia tridadina Mansfield, 1925 † (original description)
Glyphostoma addrina Mansfield, 1925 † (original description)
Glyphostoma amicta (Guppy, 1896) † accepted as Nannodiella vespuciana (A. d'Orbigny, 1847) (basis of record)
Glyphostoma amicta rintriada Mansfield, 1925 † (original description)
Glyphostoma caronensis Mansfield, 1925 † (original description)
Glyphostoma triniada Mansfield, 1925 † (original description)
Mangilia micropleura Guppy, 1867 † accepted as Mangelia micropleura Guppy, 1867 † (basis of record)
Marginella (Closia) lachrimula A. Gould, 1862 accepted as Pugnus lachrimula (A. Gould, 1862) (basis of record)
Marginella (Closia) nitrina Mansfield, 1925 † represented as Marginella nitrina Mansfield, 1925 † (original description)
Marginella (Faba) brassoensis Mansfield, 1925 † (original description)
Marginella (Faba) bullbrooki Mansfield, 1925 † (original description)
Marginella (Gibberula) trinitatensis Mansfield, 1925 † represented as Marginella trinitatensis Mansfield, 1925 † (original description)
Marginella (Persicula) propeobesa Mansfield, 1925 † represented as Marginella propeobesa Mansfield, 1925 † (original description)
Marginella calypsonis Maury, 1925 † (additional source)
Marginella guaica Maury, 1925 † (additional source)
Marginella guppyana Mansfield, 1925 † (original description)
Marginella solitaria montserratensis Mansfield, 1925 † (original description)
Marginella springvalensis Maury, 1925 † (additional source)
Metulella caronensis Mansfield, 1925 † (original description)
Microdrillia propetrina Mansfield, 1925 † (original description)
Microdrillia trina Mansfield, 1925 (original description)
Mitra longa var. couvensis Maury, 1925 † accepted as Mitra longa couvensis Maury, 1925 † (additional source)
Phos bullbrooki Mansfield, 1925 † (original description)
Phos trinitatensis Mansfield, 1925 † (original description)
Pseudoliva guppyi Mansfield, 1925 † (original description)
Ringicula tridentata Guppy, 1873 accepted as Ringicula semistriata A. d'Orbigny, 1842 (additional source)
Solenosteira semiglobosa Guppy, 1911 † (additional source)
Strombina walli Mansfield, 1925 † (original description)
Terebra (Strioterebra) [sic] accepted as Terebra (Strioterebrum) Sacco, 1891 accepted as Strioterebrum Sacco, 1891 † (basis of record)
Terebra (Strioterebra) brassoensis Mansfield, 1925 † represented as Terebra brassoensis Mansfield, 1925 † (original description)
Terebra (Strioterebra) trinitatensis Mansfield, 1925 † represented as Terebra trinitatensis Mansfield, 1925 † (original description)
Turricula springvaleensis Mansfield, 1925 † accepted as Fusiturricula springvaleensis (Mansfield, 1925) † (original description)
Turris albida (G. Perry, 1811) accepted as Polystira albida (G. Perry, 1811) (basis of record)
Turris brassoensis Mansfield, 1925 † (original description)
Turris vaningeni var. machapoorensis (Maury, 1925) † accepted as Drillia vaningeni machapoorensis Maury, 1925 † (basis of record)
Typhis sawkinsi Mansfield, 1925 † (original description)
Vexillum bristoli (Maury, 1925) † (basis of record)

Trinidad for Microdrillia trina Mansfield, 1925