Allodesmatidae Dall, 1895 † (original description)
Allogramma Dall, 1903 (original description)
Amnicola floridana var. convexa Pilsbry, 1892 accepted as Floridobia floridana (Frauenfeld, 1863) (original description)
Anachis camax Dall, 1890 † (original description)
Anomia floridana Dall, 1898 † (original description)
Anomia microgrammata Dall, 1898 † (original description)
Arca (Acar) millifila Dall, 1903 † accepted as Acar millifila (Dall, 1903) † (original description)
Arca paratina Dall, 1898 † (original description)
Arca wagneriana Dall, 1898 † (original description)
Aspella senex Dall, 1903 (original description)
Astarte (Ashtarotha) Dall, 1903 † accepted as Ashtarotha Dall, 1903 † (additional source)
Astarte (Ashtarotha) floridana Dall, 1903 † accepted as Ashtarotha floridana (Dall, 1903) † (original description)
Astarte glenni Dall, 1903 † accepted as Ashtarotha glenni (Dall, 1903) † (original description)
Atrina harrisii Dall, 1898 † (original description)
Atrina jacksoniana Dall, 1898 † (original description)
Avicularium J. E. Gray, 1853 † (subsequent type designation)
Bulimulus americanus var. laxus Dall, 1890 † accepted as Tocobaga americanus (Heilprin, 1886) † (original description)
Bulimulus americanus var. partulinus Dall, 1890 † accepted as Tocobaga americanus (Heilprin, 1886) † (original description)
Bulimulus heilprinianus Dall, 1890 † accepted as Tocobaga floridanus (Conrad, 1846) † (original description)
Bulimulus stearnsii Dall, 1890 † accepted as Tocobaga floridanus (Conrad, 1846) † (original description)
Cadulus floridanus Dall, 1892 † (original description)
Caecum carolinianum Dall, 1892 (original description)
Caecum floridanum var. compactum Dall, 1892 † accepted as Caecum floridanum W. Stimpson, 1851 (original description)
Caecum tortile Dall, 1892 (original description)
Calliostoma eboreum (W. Wagner, 1840) † (basis of record)
Calliostoma philanthropus (Conrad, 1834) † (basis of record)
Callocardia (Agriopoma) gatunensis Dall, 1903 † accepted as Agriopoma gatunensis (Dall, 1903) † (original description)
Callocardia (Agriopoma) sayana (Conrad, 1833) (additional source)
Cancellaria conradiana Dall, 1890 † (original description)
Carditella E. A. Smith, 1881 (subsequent type designation)
Cardium (Trigoniocardia) Dall, 1900 accepted as Trigoniocardia Dall, 1900 (original description)
Cardium (Trigoniocardia) maturense Dall, 1900 † (original description)
Cardium acrocome Dall, 1900 † accepted as Agnocardia acrocome (Dall, 1900) † (original description)
Cardium ctenolium Dall, 1900 † (original description)
Cerithium caloosaense Dall, 1892 † accepted as Cerithioclava caloosaensis (Dall, 1892) † (original description)
Cerithium ocalanum Dall, 1892 † (original description)
Cerithium praecursor Heilprin, 1887 † (additional source)
Chama chipolana Dall, 1903 † (original description)
Chama lyelli Dall, 1903 † (original description)
Chama tampaensis Dall, 1903 † (original description)
Chama willcoxi Dall, 1900 † (original description)
Chione (Chione) chipolana Dall, 1903 † represented as Chione chipolana Dall, 1903 † (original description)
Chione (Chione) erosa Dall, 1903 † represented as Chione erosa Dall, 1903 † (original description)
Chlidonophora Dall, 1903 (original description)
Chlidonophora incerta (Davidson, 1878) (new combination reference)
Collonia chipolana Dall, 1892 † (original description)
Collonia claibornensis Dall, 1892 † (original description)
Collonia elegantula Dall, 1892 † (original description)
Coralliophila lepidota Dall, 1890 † accepted as Vokesinotus lepidotus (Dall, 1890) † (original description)
Corbicula (Cyrenodonax) formosana Dall, 1903 represented as Corbicula formosana Dall, 1903 (original description)
Coripia De Gregorio, 1885 (subsequent type designation)
Crassinella tanica (Dall, 1903) † (basis of record)
Crenella duplinensis Dall, 1898 † (original description)
Crenella minuscula Dall, 1898 † (original description)
Cyathodonta guadalupensis Dall, 1903 † (original description)
Cyathodonta spenceri Dall, 1903 † (original description)
Cylindrella floridana Dall, 1890 † accepted as Urocoptis floridana (Dall, 1890) † (original description)
Cythara metria Dall, 1903 accepted as Vitricythara metria (Dall, 1903) (original description)
Diceratidae Dall, 1895 † (original description)
Diplodonta caloosaensis Dall, 1900 † (original description)
Diplodonta radiata Dall, 1900 † (original description)
Discohelix retifera Dall, 1892 accepted as Pseudotorinia retifera (Dall, 1892) (original description)
Divaricella chipolana Dall, 1903 † (original description)
Dolabella aldrichi Dall, 1890 † accepted as Floribella aldrichi (Dall, 1890) † (original description)
Donax (Grammatodonax) Dall, 1900 represented as Donax Linnaeus, 1758 (original description)
Dosinia (Dosinidia) chipolana Dall, 1903 † accepted as Dosinia chipolana Dall, 1903 † (original description)
Dosinia (Dosinidia) liogona Dall, 1903 † (original description)
Drillia edilia Dall, 1890 † (original description)
Eopapyrina darienensis (Dall, 1898) † (original description)
Ervilia chipolana Dall, 1898 † (original description)
Ervilia lata Dall, 1898 † (original description)
Ervilia oregonensis Dall, 1898 † (original description)
Ervilia planata Dall, 1898 † (original description)
Ervilia polita Dall, 1898 † (original description)
Erycina marylandica Glenn, 1900 † (original description)
Euciroidae Dall, 1895 (original description)
Eupleura miocenica Dall, 1890 † (original description)
Fulgur echinatum Dall, 1890 † accepted as Echinofulgur echinatum (Dall, 1890) † (original description)
Gemma magna Dall, 1903 † (original description)
Glycymeris duplinensis Dall, 1898 † (original description)
Glycymeris jamaicensis Dall, 1898 † (original description)
Glyphostoma watsoni Dall, 1890 † (original description)
Helicina ballista Dall, 1890 † accepted as Oligyra ballista (Dall, 1890) † (original description)
Helicina ballista var. tampae Dall, 1890 † accepted as Oligyra tampae (Dall, 1890) † (original description)
Helix adamnis Dall, 1890 † accepted as Linisa adamnis (Dall, 1890) † (original description)
Helix crusta Dall, 1890 † accepted as Cepolis (Plagioptycha) crusta (Dall, 1890) † represented as Cepolis crusta (Dall, 1890) † (original description)
Helix crusta var. cunctator Dall, 1890 † accepted as Cepolis (Plagioptycha) cunctator (Dall, 1890) † represented as Cepolis cunctator (Dall, 1890) † (original description)
Helix diespiter Dall, 1890 † accepted as Pleurodontites diespiter (Dall, 1890) † (original description)
Helix direpta Dall, 1890 † accepted as Cepolis direpta (Dall, 1890) † (original description)
Helix haruspica Dall, 1890 † accepted as Pleurodontites haruspica (Dall, 1890) † (original description)
Helix instrumosa Dall, 1890 † accepted as Cepolis instrumosa (Dall, 1890) † (original description)
Helix latebrosa Dall, 1890 † accepted as Cepolis latebrosa (Dall, 1890) † (original description)
Hindsiella carolinensis Dall, 1900 † (original description)
Hydrobia mobiliana Dall, 1892 † (original description)
Julia floridana Dall, 1898 † (original description)
Kelliopsis A. E. Verrill & K. J. Bush, 1898 (additional source)
Lacunaria Conrad, 1866 † (additional source)
Laubriereia Cossmann, 1887 † (source of synonymy)
Leda catasarca Dall, 1898 † (original description)
Leda hypsoma Dall, 1898 † (original description)