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 (source of synonymy)
Cerithium variabile var. calcarea Nowell-Usticke, 1959 accepted as Cerithium lutosum Menke, 1828 (additional source)
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) (additional source)
Mitra cruzana Nowell-Usticke, 1959 accepted as Vexillum cubanum Aguayo & Rehder, 1936 (additional source)
Mitra hanleyi f. antiguensis Nowell-Usticke, 1969 accepted as Mitra antiguensis Nowell-Usticke, 1969 accepted as Atlantilux exigua (C. B. Adams, 1845) (additional source)
Mitra hayesae Nowell-Usticke, 1959 accepted as Vexillum 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) (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)