Gregoia crassilabra Fehse, 2017
Eratotrivia crenularis (FOSSIL) Schilder, 1927 †
Pusula crovoae (FOSSIL) A.A. Olsson, 1967 †
Cleotrivia culmen D. Fehse, 2004
Ellatrivia cydarum (C.N. Cate, 1979)
Trivia cylindrica L. Dolin, 2001
Trivia cypha W.P. Woodring 1928
Pusula dadeenis (FOSSIL) E.J. Petuch, 1994 †
Pusula dadeensis (FOSSIL) E.J. Petuch, 1994 †
Trivia dakarensis F.A. Schilder, 1967
Pusula dalli (FOSSIL) (E.J. Petuch, 1994 †)
Gregoia danielleae D. Fehse, 2015
Niveria dautzenbergi (F.A. Schilder, 1932)
Trivirostra declivis D. Fehse, 2015
Trivirostra dekkeri D. Fehse & J. Grego, 2009
Gregoia densedentata D. Fehse, 2015
Pusula densistans (FOSSIL) D. Fehse & J. Grego,2014 †
Proterato denticulata (G.B. Pritchard& J.H. Gatliff, 1901)
Pseudopusula depauperata (G.B. I Sowerby, 1832)
Dolichupis derkai D. Fehse & J. Grego, 2002
Niveria dertominor (F. Sacco, 1894)
Niveria dertonensis (O.G. Michelotti, 1847)
Niveria dertoparvula (F. Sacco, 1894)
Semitrivia desirabilis (T. Iredale, 1912)
Ellatrivia detavorai D. Fehse & J. Grego, 2010
Trivia dimidiata (FOSSIL) (H.G. Bronn, 1831 †)
Niveria dimidiatoaffinis (FOSSIL) (W.J. Broderip 1837 †)
Niveria dimitoaffinis (FOSSIL) (W.J. Broderip 1837 †)
Trivirostra directa Fehse, 2017
Cleotrivia dissimilis D. Fehse, 2015
Gregoia distantia D. Fehse, 2015
Trivirostra dolichis Fehse, 2017
Trivellona dolini D. Fehse & J. Grego, 2004
Dolichupis dorsennus (C.N. Cate, 1979)
Trivia dorsolaevigata (FOSSIL) G. Cocconi, 1873 †