Acteon elegans (I. Lea, 1833) † accepted as Acteon pomilius Conrad, 1833 † (source of synonymy)
Alaba plicatovaricosa (Heilprin, 1880) † (basis of record)
Architectonica texana Gabb, 1860 † accepted as Climacopoma scrobiculatum (Conrad, 1833) † (source of synonymy)
Athleta sayanus (Conrad, 1833) † (basis of record)
Bathytoma marieana (Aldrich, 1911) † (new combination reference)
Buccinum sowerbii I. Lea, 1833 † accepted as Phalium (Doliocassis) nuperum (Conrad, 1833) † represented as Phalium nuperum (Conrad, 1833) † (source of synonymy)
Buccitriton sagenum (Conrad, 1833) † (basis of record)
Bullata larvata (Conrad, 1833) † (basis of record)
Bullata plicata (I. Lea, 1833) † (basis of record)
Bullata semen (I. Lea, 1833) † (basis of record)
Bullata semenoides (Gabb, 1860) † (basis of record)
Caricella demissa texana (Gabb, 1860) † (basis of record)
Caricella praetenuis (Conrad, 1833) † (basis of record)
Cerithiella chamberlaini (C. W. Johnson, 1899) † (new combination reference)
Cirsotrema (Coroniscala) nassulum (Conrad, 1833) † represented as Cirsotrema nassulum (Conrad, 1833) (basis of record)
Cirsotrema megaptera Gabb, 1860 † accepted as Cirsotrema (Coroniscala) nassulum (Conrad, 1833) † represented as Cirsotrema nassulum (Conrad, 1833) (source of synonymy)
Cochlespira engonata Conrad, 1865 † (additional source)
Conomitra fusoides (I. Lea, 1833) † (basis of record)
Conomitra fusoides lepa (de Gregorio, 1890) † (basis of record)
Conomitra hammakeri (G. D. Harris, 1894) † (basis of record)
Conomitra polita Vaughan, 1896 † (basis of record)
Conomitra subpontis (G. D. Harris, 1896) † (basis of record)
Conomitra texana (G. D. Harris, 1895) † (additional source)
Conomitra texana orangeburgensis K. van W. Palmer, 1937 † (basis of record)
Conomitra traceyi G. D. Harris, 1899 † (basis of record)
Coptostoma ulmulum (G. D. Harris, 1895) † (basis of record)
Coronia alternata (Conrad, 1833) † accepted as Gemmula alternata (Conrad, 1833) † (basis of record)
Coronia lancea (T. L. Casey, 1904) † (new combination reference)
Coronia lerchi (Vaughan, 1896) † (new combination reference)
Coronia obsolescens (T. L. Casey, 1904) † (new combination reference)
Cypraea smithii Aldrich, 1886 † accepted as Cypraea eosmithi Aldrich, 1923 † (subsequent type designation)
Dirocerithium vinctum (Whitfield, 1865) † (basis of record)
Elimia trigemmata (Conrad, 1860) † (basis of record)
Eoclathurella meridionalis (O. Meyer, 1886) † (basis of record)
Eodrillia lonsdalii (I. Lea, 1833) † accepted as Tropisurcula (Eodrillia) lonsdalii (I. Lea, 1833) † represented as Tropisurcula lonsdalii (I. Lea, 1833) † (basis of record)
Eopleurotoma nupera (Conrad, 1833) † (additional source)
Eosurcula pulcherrima (Heilprin, 1880) † (basis of record)
Euspira perspecta (Whitfield, 1865) † (basis of record)
Fusimitra millingtoni (Conrad, 1854) † (basis of record)
Hastula houstonia (G. D. Harris, 1895) † (basis of record)
Hastula venusta (I. Lea, 1833) † (basis of record)
Helcion leanus Gabb, 1860 † accepted as Hipponix pygmaeus I. Lea, 1833 † (source of synonymy)
Hipponix pygmaeus I. Lea, 1833 † (basis of record)
Laevibuccinum constrictum (Aldrich, 1886) † (basis of record)
Laevibuccinum prorsum (Conrad, 1833) † (basis of record)
Latirus plicatus (I. Lea, 1833) † (additional source)
Latirus sexcostatus C. W. Johnson, 1899 † (additional source)
Leiorhinus crassilabris Gabb, 1860 † accepted as Leiorhinus prorutus (Conrad, 1833) † (source of synonymy)
Leiorhinus prorutus (Conrad, 1833) † (basis of record)
Levifusus supraplanus G. D. Harris, 1899 † accepted as Proceraedis supraplanus (G. H. Harris, 1899) † (additional source)
Marginella ovata I. Lea, 1833 † accepted as Bullata larvata (Conrad, 1833) † (source of synonymy)
Marginella ovata Emmons, 1858 † accepted as Bullata semen (I. Lea, 1833) † (source of synonymy)
Mesalia pumila (Gabb, 1860) † (additional source)
Mesalia vetusta (Conrad, 1833) † (additional source)
Microdrillia cossmanni (O. Meyer, 1887) † accepted as Microdrillia meyeri (Cossmann, 1889) † (additional source)
Microdrillia laeviplicata (Gabb, 1860) † (basis of record)
Monoptygma elegans I. Lea, 1833 † accepted as Acteon pomilius Conrad, 1833 † (source of synonymy)
Orthosurcula adeona (Whitfield, 1865) † (basis of record)
Orthosurcula indenta (G. D. Harris, 1899) † (new combination reference)
Orthosurcula langdoni (Aldrich, 1895) † (new combination reference)
Orthosurcula longipersa (G. D. Harris, 1896) † (basis of record)
Orthosurcula phoenicea J. A. Gardner, 1935 † (additional source)
Papillina Conrad, 1855 † (additional source)
Papillina dumosa (Conrad, 1854) † (basis of record)
Papillina mississipiensis Conrad, 1855 † accepted as Papillina dumosa (Conrad, 1854) † (source of synonymy)
Phalium brevicostatum (Conrad, 1834) † (basis of record)
Prunum columba (I. Lea, 1833) † (basis of record)
Pseudoliva fusiformis Gabb, 1860 † accepted as Pseudoliva vetusta (Conrad, 1833) † (status source)
Pseudoliva scalina Heilprin, 1881 † accepted as Popenoeum scalina (Heilprin, 1881) † (additional source)
Pseudoliva tuberculifera Conrad, 1860 † accepted as Calorebama tuberculifera (Conrad, 1860) † (additional source)
Pseudoliva unicarinata Aldrich, 1886 † accepted as Calorebama unicarinata (Aldrich, 1886) † (additional source)
Pseudoliva vetusta (Conrad, 1833) † (basis of record)
Pseudoliva vetusta carinata Gabb, 1860 † (basis of record)
Pseudoliva vetusta linosa Gabb, 1860 † (basis of record)
Pseudoliva vetusta perspectiva Gabb, 1860 † (basis of record)
Raphitoma (Microsurcula) georgei (G. D. Harris, 1899) † accepted as Microsurcula georgei (G. D. Harris, 1899) † (additional source)
Retusa kellogii (Gabb, 1860) † (basis of record)
Ringicula biplicata (I. Lea, 1833) † (basis of record)
Rissoa ziga De Gregorio, 1890 † (basis of record)
Sullivania hicoricola (G. D. Harris, 1937) † (new combination reference)
Surculoma (Volutapex) kellogii (Gabb, 1860) † represented as Surculoma kellogii (Gabb, 1860) † (basis of record)
Sveltia alveata (Conrad, 1833) † (basis of record)
Triphora similis O. Meyer, 1886 † (basis of record)
Tuba alternata I. Lea, 1833 † accepted as Tuba antiquata (Conrad, 1833) † (source of synonymy)
Voluta defrancii I. Lea, 1833 † accepted as Athleta sayanus (Conrad, 1833) † (source of synonymy)
Voluta gracilis I. Lea, 1833 † accepted as Athleta sayanus (Conrad, 1833) † (source of synonymy)
Voluta striata I. Lea, 1833 † accepted as Caricella praetenuis (Conrad, 1833) † (source of synonymy)
Volutocorbis rugatus (Conrad, 1860) † (basis of record)
Volutocorbis rugatus saffordi (Gabb, 1860) † (additional source)