Habra, Genus – synonym of Abra, Genus
Hannonia, Genus – synonym of Nassarius, Genus
Haplomochlia, Genus – synonym of Gari, Genus
Hedylopsidae, Familia – synonym of Asperspinidae, Familia
Hedylopsis, Genus – synonym of Asperspina, Genus
Heliotropis, Genus – synonym of Volutopsius, Genus
Heritschia, Genus – synonym of Pecten, Genus
Hermaeopsis, Genus – synonym of Hermaea, Genus
Hermania, Genus – synonym of Philine, Genus
Hermione, Genus – synonym of Chamelea, Genus
Heterostoma, Genus – synonym of Comarmondia, Genus
Hiatella, Genus – synonym of Lyonsia, Genus
Hima, Genus – synonym of Nassarius, Genus
Himatella, Genus – synonym of Coryphella, Genus
Himatina, Genus – synonym of Coryphella, Genus
Hinia, Genus – synonym of Nassarius, Genus
Hinnites, Genus – synonym of Crassadoma, Genus
Holopholas, Genus – synonym of Barnea, Genus
Homalogyra, Genus – synonym of Omalogyra, Genus
Homotoma, Genus – synonym of Raphitoma, Genus
Hordeulima, Genus – synonym of Eulima, Genus
Hoylea, Genus – synonym of Eledone, Genus
Hydrobius, Genus – synonym of Hydrobia, Genus
Hylophaga, Genus – synonym of Xylophaga, Genus
Hypogaea, Genus – synonym of Pholas, Genus