Anachis guildingii f. teres Nowell-Usticke, 1969 accepted as Costoanachis hotessieriana (A. d'Orbigny, 1853) (additional source)
Anachis mcgintyi Nowell-Usticke, 1959 accepted as Costoanachis hotessieriana (A. d'Orbigny, 1853) (additional source)
Anachis multicosta Nowell-Usticke, 1969 (additional source)
Anachis subcostulata var. subcincta Nowell-Usticke, 1969 accepted as Zafrona pulchella (Blainville, 1829) accepted as Falsuszafrona pulchella (Blainville, 1829) (additional source)
Aspella paupercula var. varians Nowell-Usticke, 1969 accepted as Dermomurex alabastrum (A. Adams, 1864) (additional source)
Astraea aspinosa Nowell-Usticke, 1971 (additional source)
Atys cylindrella Nowell-Usticke, 1971 accepted as Atys riiseanus Mörch, 1875 (source of synonymy)
Bailya milleri Nowell-Usticke, 1959 accepted as Ameranna milleri (Nowell-Usticke, 1959) (additional source)
Basterotia pustula Nowell-Usticke, 1971 (additional source)
Bittiolum cerithidioides f. warmkeana Nowell-Usticke, 1969 accepted as Alabina warmkeana (Nowell-Usticke, 1969) accepted as Finella dubia (A. d'Orbigny, 1841) (additional source)
Bittium varium turricula Nowell-Usticke, 1969 accepted as Ittibittium oryza (Mörch, 1876) (additional source)
Bornia bibsae Nowell-Usticke, 1969 accepted as Cymatioa undulata (Thiele, 1910) (additional source)
Brachidontes exustus var. rosaceus Nowell-Usticke, 1969 accepted as Brachidontes exustus (Linnaeus, 1758) (additional source)
Brachidontes pseudorecurvus Nowell-Usticke, 1969 accepted as Brachidontes modiolus (Linnaeus, 1767) (additional source)
Brachycythara stegeri Nowell-Usticke, 1959 accepted as Splendrillia stegeri (Nowell-Usticke, 1959) (additional source)
Bursa cubaniana var. intermedia Nowell-Usticke, 1959 accepted as Bursa cubaniana (A. d'Orbigny, 1847) accepted as Dulcerana cubaniana (A. d'Orbigny, 1847) (additional source)
Cantharus karinae Nowell-Usticke, 1959 accepted as Hesperisternia karinae (Nowell-Usticke, 1959) (additional source)
Carinodrillia buccooensis Nowell-Usticke, 1971 (additional source)
Cerithidea costata f. barbudaensis Nowell-Usticke, 1969 accepted as Cerithideopsis costata (da Costa, 1778) (additional source)
Cerithiopsis binoda Nowell-Usticke, 1969 (additional source)
Cerithiopsis contrapupa Nowell-Usticke, 1969 accepted as Cerithiopsis ara Dall & Bartsch, 1911 accepted as Prolixodens ara (Dall & Bartsch, 1911) (additional source)
Cerithiopsis cruzana Nowell-Usticke, 1959 accepted as Cerithiopsis albovittata (C. B. Adams, 1850) (additional source)
Cerithium variabile var. calcarea Nowell-Usticke, 1959 accepted as Cerithium lutosum Menke, 1828 (additional source)
Cerithium variabile var. calcarea Nowell-Usticke, 1959 accepted as Cerithium lutosum Menke, 1828 (source of synonymy)
Cheila equestris striata Nowell-Usticke, 1959 accepted as Cheila equestris (Linnaeus, 1758) accepted as Cheilea equestris (Linnaeus, 1758) (source of synonymy)
Chione minor Nowell-Usticke, 1969 (additional source)
Columbella elongata Nowell-Usticke, 1959 accepted as Columbella mercatoria (Linnaeus, 1758) (additional source)
Conus bajanensis Nowell-Usticke, 1968 accepted as Conasprella bajanensis (Nowell-Usticke, 1968) (additional source)
Conus caribbaeus var. circumpunctatus Nowell-Usticke, 1968 accepted as Conus daucus Hwass, 1792 (additional source)
Conus centurio f. cruzensis Nowell-Usticke, 1968 accepted as Conasprella centurio (Born, 1778) (additional source)
Conus holemani Nowell-Usticke, 1968 accepted as Conus cedonulli Linnaeus, 1767 (additional source)
Conus karinae Nowell-Usticke, 1968 accepted as Conasprella mindana (Hwass, 1792) (additional source)
Conus mayaguensis Nowell-Usticke, 1968 accepted as Conus cardinalis Hwass, 1792 (additional source)
Conus nullisecundus Nowell-Usticke, 1968 accepted as Conus cedonulli Linnaeus, 1767 (additional source)
Conus pseudoaustini Nowell-Usticke, 1968 accepted as Conasprella bajanensis (Nowell-Usticke, 1968) (additional source)
Conus pseudojaspideus Nowell-Usticke, 1968 accepted as Conasprella jaspidea pealii (Green, 1830) accepted as Conasprella pealii (Green, 1830) (additional source)
Conus spurius arubaensis Nowell-Usticke, 1968 accepted as Conus spurius Gmelin, 1791 (additional source)
Conus ustickei J. P. Miller, 1959 accepted as Conus attenuatus Reeve, 1844 (additional source)
Crepidula barbudensis Nowell-Usticke, 1969 (additional source)
Crepidula fornicata var. cruzana Nowell-Usticke, 1959 accepted as Crepidula cruzana Nowell-Usticke, 1959 (additional source)
Cryoturris cruzana Nowell-Usticke, 1969 accepted as Glyphoturris quadrata (Reeve, 1845) (additional source)
Cymatium pileare var. cruzana Nowell-Usticke, 1959 accepted as Monoplex aquatilis (Reeve, 1844) (additional source)
Daphnella barbadensis Nowell-Usticke, 1969 accepted as Daphnella lymneiformis (Kiener, 1839) (source of synonymy)
Daphnella hayesi Nowell-Usticke, 1959 (additional source)
Daphnella monocincta Nowell-Usticke, 1969 (additional source)
Douglassia nodosa Nowell-Usticke, 1969 accepted as Splendrillia interpunctata (E. A. Smith, 1882) (additional source)
Drillia bandata Nowell-Usticke, 1971 accepted as Crassispira latizonata (E. A. Smith, 1882) (additional source)
Drillia kleinrosa Nowell-Usticke, 1969 accepted as Darrylia kleinrosa (Nowell-Usticke, 1969) (additional source)
Drillia ponciana var. virgata Nowell-Usticke, 1969 accepted as Crassispira latizonata (E. A. Smith, 1882) (additional source)
Echininus nodulosus var. major Nowell-Usticke, 1969 accepted as Tectarius antonii (R. A. Philippi, 1846) (source of synonymy)
Engina turbinella cruzana Nowell-Usticke, 1959 accepted as Engina turbinella (Kiener, 1836) (source of synonymy)
Fenimorea fucata pulchra Nowell-Usticke, 1959 accepted as Fenimorea fucata (Reeve, 1845) (additional source)
Fossarus orbignyi var. tridentata Nowell-Usticke, 1959 accepted as Fossarus orbignyi P. Fischer, 1864 (source of synonymy)
Fusiturricula (Knefastia) bajanensis Nowell-Usticke, 1969 accepted as Fusiturricula bajanensis Nowell-Usticke, 1969 (additional source)
Glycymeris gordoni Nowell-Usticke, 1959 accepted as Tucetona sericata (Reeve, 1843) (additional source)
Glycymeris gordoni f. tobagoensis Nowell-Usticke, 1959 accepted as Tucetona sericata (Reeve, 1843) (additional source)
Glyphostoma permiscere Nowell-Usticke, 1969 accepted as Caribedaphne permiscere (Nowell-Usticke, 1969) (additional source)
Graphis rotundata Nowell-Usticke, 1969 accepted as Graphis underwoodae Bartsch, 1947 (additional source)
Heliacus crystallina Nowell-Usticke, 1969 accepted as Pseudotorinia crystallina (Nowell-Usticke, 1969) (additional source)
Inodrillia ustickei Hayes, 1959 accepted as Neodrillia cydia Bartsch, 1943 (additional source)
Ischnochiton dubium Nowell-Usticke, 1969 accepted as Stenoplax boogii (Haddon, 1886) (additional source)
Ithycythara edithae Nowell-Usticke, 1971 accepted as Cryoturris edithae (Nowell-Usticke, 1971) (additional source)
Kurtziella quadrilineata var. longa Nowell-Usticke, 1969 (additional source)
Kurtziella trilineata var. macula Nowell-Usticke, 1969 (additional source)
Kurtziella vincula Nowell-Usticke, 1969 accepted as Cryoturris vincula (Nowell-Usticke, 1969) (additional source)
Latirus karinae Nowell-Usticke, 1969 accepted as Pustulatirus virginensis (Abbott, 1958) (additional source)
Leucozonia ocellata var. lineata Nowell-Usticke, 1969 accepted as Leucozonia ocellata (Gmelin, 1791) (source of synonymy)
Lucapinella delicata Nowell-Usticke, 1969 (additional source)
Lucapinella gigas Nowell-Usticke, 1959 (additional source)
Lucapinella gigas var. oblonga Nowell-Usticke, 1959 accepted as Lucapinella gigas oblonga Nowell-Usticke, 1959 (additional source)
Mactra fragilis f. gigas Nowell-Usticke, 1969 (additional source)
Mactra gigas Nowell-Usticke, 1969 (additional source)
Melanella bibsae Nowell-Usticke, 1959 accepted as Scalenostoma subulatum (Broderip, 1832) (additional source)
Mitra bibsae Nowell-Usticke, 1969 accepted as Vexillum catenatum (Broderip, 1836) accepted as Canaripusia catenata (Broderip, 1836) (additional source)
Mitra cruzana Nowell-Usticke, 1959 accepted as Vexillum cubanum Aguayo & Rehder, 1936 accepted as Pusia cubana (Aguayo & Rehder, 1936) (additional source)
Mitra hanleyi f. antiguensis Nowell-Usticke, 1969 accepted as Mitra antiguensis Nowell-Usticke, 1969 accepted as Pusia exigua (C. B. Adams, 1845) (additional source)
Mitra hayesae Nowell-Usticke, 1959 accepted as Vexillum histrio (Reeve, 1844) accepted as Pusia histrio (Reeve, 1844) (additional source)
Mitra minutus Nowell-Usticke, 1969 accepted as Vexillum exiguum (C. B. Adams, 1845) accepted as Atlantilux exigua (C. B. Adams, 1845) accepted as Pusia exigua (C. B. Adams, 1845) (source of synonymy)
Mitra nodulosa pallida Nowell-Usticke, 1959 accepted as Mitra nodulosa (Gmelin, 1791) accepted as Neotiara nodulosa (Gmelin, 1791) (source of synonymy)
Monilispira circumcincta Nowell-Usticke, 1969 (additional source)
Montacuta cruzensis Nowell-Usticke, 1969 accepted as Litigiella bouryi E. Lamy, 1913 (additional source)
Murex messorius var. gustaviensis Nowell-Usticke, 1969 accepted as Vokesimurex woodringi (Clench & Pérez Farfante, 1945) (additional source)
Murex spectrum var. incertum Nowell-Usticke, 1969 accepted as Chicoreus brevifrons (Lamarck, 1822) (additional source)
Nassarius karinae Nowell-Usticke, 1971 accepted as Phrontis karinae (Nowell-Usticke, 1971) (additional source)
Natica hayesae Nowell-Usticke, 1959 accepted as Natica cayennensis Récluz, 1850 accepted as Naticarius cayennensis (Récluz, 1850) (additional source)
Natica livida oceani Nowell-Usticke, 1959 (additional source)
Nerita versicolor f. nigrocincta Nowell-Usticke, 1959 accepted as Nerita versicolor Gmelin, 1791 (source of synonymy)
Odostomia charlottae Nowell-Usticke, 1969 (additional source)
Odostomia judithae Nowell-Usticke, 1959 accepted as Pseudoscilla babylonia (C. B. Adams, 1845) (source of synonymy)
Opalia karinae Nowell-Usticke, 1969 accepted as Cirsotrema karinae (Nowell-Usticke, 1969) (new combination reference)
Persicula aldridgei Nowell-Usticke, 1969 accepted as Gibberula aldridgei (Nowell-Usticke, 1969) (additional source)
Phacoides cancellatus Nowell-Usticke, 1969 accepted as Codakia cubana Dall, 1901 accepted as Ferrocina cubana (Dall, 1901) (additional source)
Polystira phillipsi Nowell-Usticke, 1969 accepted as Polystira gruneri (R. A. Philippi, 1848) (additional source)
Psarostola bandata Nowell-Usticke, 1969 accepted as Monilispira bandata (Nowell-Usticke, 1969) (additional source)
Pseudostomatella cycloradiata Nowell-Usticke, 1959 (additional source)
Puperita vincta Nowell-Usticke, 1969 (additional source)
Pyrene (Columbella) nodulosa Nowell-Usticke, 1959 accepted as Euplica varians (G. B. Sowerby I, 1832) (additional source)
Ringicula cruzensis Nowell-Usticke, 1969 accepted as Coralliophila salebrosa H. Adams & A. Adams, 1864 (source of synonymy)
Rissoa cruzensis Nowell-Usticke, 1969 accepted as Cymatium aquatile (Reeve, 1844) accepted as Monoplex aquatilis (Reeve, 1844) (additional source)
Solen viridis var. aldrigei Nowell-Usticke, 1969 accepted as Solen viridis Say, 1821 (additional source)