Dentimargo hennequini T. Cossignani, 2004
Volvarina hennequini F. Boyer, 2001
Glabella henrikasi (L. Bozzetti, 1995)
Marginella hernandezi E. Rolán & S. Gori, 2014
Dentimargo hesperia (E.R. Sykes, 1905)
Mesoginella hesterna (FOSSIL) (J.A. Bartrum & Powell,1928 †)
Volvarina heterozona F.P. Jousseaume, 1875
Serrata hians F. Boyer, 2008
Marginella himburgae W. Massier & M.L. Zettler,2009
Volvarina hirasei (A.R.J.B. Bavay, 1917)
Marginella hispaniolana (FOSSIL) C.J. Maury, 1917 †
Prunum holandae J. Espinosa & J.A. Ortea,1999
Volvarina holguinera J. Espinosa, J.A. Ortea& Y.L. Diez, 2015
Cryptospira hordeastra (FOSSIL) Darragh, 2017 †
Dentimargo hordeola (FOSSIL) (G.P. Deshayes, 1835 †)
Eratoidea houardi J. Espinosa & J.A. Ortea,2013
Marginella houtbaaiensis S.G. Veldsman, 2013
Marginella huberti P.W. Clover, 1972
Prunum humboldti J. Espinosa, J.A. Ortea& L. Moro, 2009
Volvarina humboldtiana J. Espinosa, J.A. Ortea& Y.L. Diez, 2015
Prunum hunabi J. Espinosa & J.A. Ortea,2015
Volvarina hyalina (K.H.J. Thiele, 1912)
Marginella hybrida T. Cossignani, 2006
Prunum ianusi J. Espinosa & J.A. Ortea,2015
Volvarina ibarrae J. Espinosa & J.A. Ortea,1998
Granulina iberica (FOSSIL) R. La Perna, B.M. Landau& R. Marquet, 2001 †
Dentimargo idiochila (J.S. Schwengel, 1943)
Marginella ignifer S.G. Veldsman, 2017
Dentimargo imitator (W.H. Dall, 1927)
Marginella immelmani M.R. Hart, 2001
Cryptospira immersa (L.A. Reeve, 1865)
Cryptospira immersa quiquandoni T. Cossignani, 2006
Marginella impudica P. Fischer, 1884
Dentimargo incessa (W.H. Dall, 1927)
Mesoginella inconspicua (G.B. II Sowerby, 1846)