Amphicoryne costata Silvestri, 1898 † (original description)
Amphicoryne ovicula Silvestri, 1898 † (original description)
Amphimorphina tetragona Silvestri, 1898 † (original description)
Anomalina grosserugosa var. umbilicatula Silvestri, 1898 † (original description)
Cristellaria aculeata var. soldanii Silvestri, 1898 † (original description)
Cristellaria auris var. dilatata Silvestri, 1898 † (original description)
Cristellaria calcar var. echinata Silvestri, 1898 † (original description)
Cristellaria cassis var. communis Silvestri, 1898 † (original description)
Cristellaria cassis var. planata Silvestri, 1898 † (original description)
Cristellaria cassis var. rotundata Silvestri, 1898 † (original description)
Cristellaria cultrata var. carinata Silvestri, 1898 † (original description)
Cristellaria cultrata var. orbicularis Silvestri, 1898 † (original description)
Cristellaria italica var. callosa Silvestri, 1898 † (original description)
Cristellaria vortex var. orbicularis Silvestri, 1898 † (original description)
Flabellina elongata Silvestri, 1898 † (original description)
Frondicularia inaequalis var. costata Silvestri, 1896 † accepted as Frondicularia inaequalis var. silvestriana Thalmann, 1952 † accepted as Mucronina silvestriana (Thalmann, 1952) † (additional source)
Frondicularia inaequalis var. denticulata Silvestri, 1896 † accepted as Mucronina compressa (Costa, 1855) † (additional source)
Globigerina affinis Silvestri, 1898 † (original description)
Globigerina cretacea var. depressa Silvestri, 1898 † (original description)
Globigerina helicina var. aculeata Silvestri, 1898 † (original description)
Globigerina horrida Silvestri, 1898 † (original description)
Globigerina intermedia Silvestri, 1898 † (original description)
Marginulina costata var. coarctata Silvestri, 1896 † (additional source)
Nonionina boueana var. senensis Silvestri, 1898 † (original description)
Nonionina umbilicatula var. depressula Silvestri, 1898 † (original description)
Orbulina universa var. aculeata Silvestri, 1898 † (original description)
Polymorphina pliocaena Silvestri, 1898 accepted as Lenticulina pliocaena (Silvestri, 1898) (original description)
Polymorphina pliocaena var. tricostata Silvestri, 1898 † (original description)
Pullenia quinqueloba var. marginata Silvestri, 1898 † (original description)
Rotalia soldanii var. umbonata Silvestri, 1898 accepted as Gyroidina umbonata (Silvestri, 1898) (original description)
Truncatulina praecincta var. ornata Silvestri, 1898 † (original description)
Truncatulina reticulata var. planoconvexa Silvestri, 1898 † accepted as Siphonina planoconvexa (Silvestri, 1898) † (original description)
Truncatulina reticulata var. tuberculata Silvestri, 1898 † accepted as Siphonina tuberculata (Silvestri, 1898) † (original description)
Truncatulina tenera var. stellata Silvestri, 1898 † accepted as Oridorsalis stellatus (Silvestri, 1898) † (original description)
Vaginulina bononiensis var. senensis Silvestri, 1898 † (original description)
Vaginulina soluta Silvestri, 1898 † (original description)
Vaginulina soluta var. carinata Silvestri, 1898 † accepted as Vaginulinopsis carinata (Silvestri, 1898) † (original description)