Aesopus (Ithiaesopus) Olsson & Harbison, 1953 accepted as Ithiaesopus Olsson & Harbison, 1953 (original description)
Aesopus (Ithiaesopus) ithitoma (Dall, 1890) † accepted as Ithiaesopus ithitoma (Dall, 1890) † (basis of record)
Alabina (Caloosalaba) Olsson & Harbison, 1953 accepted as Finella A. Adams, 1860 (original description)
Anachis (Alia) gardnerae Olsson & Harbison, 1953 † accepted as Juliamitrella gardnerae (Olsson & Harbison, 1953) † (original description)
Anachis (Macgintopsis) Olsson & Harbison, 1953 † represented as Anachis H. Adams & A. Adams, 1853 (original description)
Anachis (Macgintopsis) chariessa T. L. McGinty, 1940 † represented as Anachis chariessa T. L. McGinty, 1940 † (basis of record)
Arene (Marevalvata) Olsson & Harbison, 1953 accepted as Arene H. Adams & A. Adams, 1854 (original description)
Basterotia (Basterotella) Olsson & Harbison, 1953 † accepted as Basterotia M. Hörnes, 1859 (original description)
Busycon (Echinofulgur) Olsson & Harbison, 1953 † accepted as Echinofulgur Olsson & Harbison, 1953 † (original description)
Caecum heladum Olsson & Harbison, 1953 † (original description)
Calliostoma prejujubinum Olsson & Harbison, 1953 † accepted as Calliostoma jujubinum (Gmelin, 1791) (original description)
Cantharus perplexus Olsson & Harbison, 1953 † accepted as Calotrophon ostrearum (Conrad, 1846) (original description)
Cerithiopsis brassica Olsson & Harbison, 1953 † accepted as Cerithiopsis fusiformis (C. B. Adams, 1850) (original description)
Cerithium (Cerithioclava) Olsson & Harbison, 1953 † accepted as Cerithioclava Olsson & Harbison, 1953 (original description)
Cerithium (Cerithioclava) caloosaense Dall, 1892 † accepted as Cerithioclava caloosaensis (Dall, 1892) † (basis of record)
Cerithium (Thericium) preatratum Olsson & Harbison, 1953 † accepted as Cerithium atratum (Born, 1778) (original description)
Cerithium (Thericium) vicinia Olsson & Harbison, 1953 † accepted as Cerithium atratum (Born, 1778) (original description)
Chlamys (Plagioctenium) irremotis Olsson & Harbison, 1953 † accepted as Leptopecten olgensis (Mansfield, 1932) † (original description)
Chlamys fuscopurpurea (Conrad, 1849) † accepted as Lindapecten muscosus (W. Wood, 1828) (basis of record)
Conus (Contraconus) Olsson & Harbison, 1953 accepted as Contraconus Olsson & Harbison, 1953 † (original description)
Crepidula (Bostrycapulus) Olsson & Harbison, 1953 accepted as Bostrycapulus Olsson & Harbison, 1953 (original description)
Crepidula rhyssema Olsson & Harbison, 1953 accepted as Crepidula plana Say, 1822 (original description)
Cyclostremiscus (Ponocyclus) Pilsbry, 1953 (original description)
Ensitellops Olsson & Harbison, 1953 (original description)
Ficus floridensis Olsson & Harbison, 1953 † (original description)
Ficus jacksonensis Olsson & Harbison † (original description)
Ficus papyratia (Say, 1822) (additional source)
Ficus papyratia caloosahatchensis (B. Smith, 1907) † accepted as Ficus papyratia (Say, 1822) (source of synonymy)
Juliacorbula Olsson & Harbison, 1953 (original description)
Laevicardium laevigatum wagnerianum Olsson & Harbison, 1953 † accepted as Laevicardium wagnerianum (Olsson & Harbison, 1953) † (original description)
Lemintina mcgintyi Olsson & Harbison, 1953 accepted as Petaloconchus mcgintyi (Olsson & Harbison, 1953) (original description)
Lima floridanus Olsson & Harbison, 1953 accepted as Ctenoides mitis (Lamarck, 1807) (original description)
Marginella (Eburnospira) Olsson & Harbison, 1953 accepted as Dentimargo Cossmann, 1899 (original description)
Melongena (Rexmela) Olsson & Harbison, 1953 accepted as Melongena Schumacher, 1817 (original description)
Murex (Subpterynotus) Olsson & Harbison, 1953 † accepted as Subpterynotus Olsson & Harbison, 1953 † (original description)
Nassarina dalli Olsson & Harbison, 1953 accepted as Nassarina glypta (K. J. Bush, 1885) (original description)
Nassarius (Uzita) fargoi Olsson & Harbison, 1953 accepted as Nassarius consensus (Ravenel, 1861) (original description)
Noetia ponderosa macneili Olsson & Harbison, 1953 † accepted as Noetia ponderosa locklini Olsson & Harbison, 1954 † (original description)
Petaloconchus floridanus Olsson & Harbison, 1953 (original description)
Phacoides (Armimiltha) Olsson & Harbison, 1953 † accepted as Armimiltha Olsson & Harbison, 1953 † (original description)
Phacoides (Stewartia) Olsson & Harbison, 1953 † accepted as Stewartia Olsson & Harbison, 1953 (original description)
Ponocyclus Pilsbry, 1953 accepted as Cyclostremiscus Pilsbry & Olsson, 1945 (original description)
Pterorytis (Neurarhytis) Olsson & Harbison, 1953 accepted as Pterorytis Conrad, 1863 (original description)
Pyrula papyratia caloosahatchensis B. Smith, 1907 † accepted as Ficus papyratia (Say, 1822) (source of synonymy)
Rissoina bulimina Olsson & Harbison, 1953 † (original description)
Rissoina fargoi Olsson & Harbison, 1953 † accepted as Phosinella fargoi (Olsson & Harbison, 1953) † (original description)
Rissoina floridana Olsson & Harbison, 1953 accepted as Schwartziella floridana (Olsson & Harbison, 1953) (original description)
Rissoina liriope Olsson & Harbison, 1953 † accepted as Zebinella liriope (Olsson & Harbison, 1953) † (original description)
Rissoina parkeri Olsson & Harbison, 1953 (original description)
Solariorbis eugenes Pilsbry, 1953 † (original description)
Spondylus rotundatus Heilprin, 1887 † (additional source)
Strombina (Sincola) Olsson & Harbison, 1953 accepted as Sincola Olsson & Harbison, 1953 (original description)
Subcancilla Olsson & Harbison, 1953 (original description)
Submantellum Olsson & Harbison, 1953 accepted as Limaria Link, 1807 (original description)
Tegula (Agathistoma) Olsson & Harbison, 1953 represented as Agathistoma Olsson & Harbison, 1953 (original description)
Teinostoma altum Pilsbry, 1953 (original description)
Teinostoma avunculus Pilsbry, 1953 (original description)
Teinostoma tectispira Pilsbry, 1953 (original description)
Tellina (Acorylus) Olsson & Harbison, 1953 accepted as Acorylus Olsson & Harbison, 1953 (original description)
Triphora (Cinctrifora) Olsson & Harbison, 1953 † accepted as Cinctrifora Olsson & Harbison, 1953 † (original description)
Triphora (Cosmotriphora) Olsson & Harbison, 1953 accepted as Cosmotriphora Olsson & Harbison, 1953 (original description)
Triphora (Cosmotriphora) oreodoxa Olsson & Harbison, 1953 † accepted as Cosmotriphora oreodoxa (Olsson & Harbison, 1953) (original description)
Trivia floridana Olsson & Harbison, 1953 † accepted as Pseudopusula floridana (Olsson & Harbison, 1953) † (original description)
Vasum locklini Olsson & Harbison, 1953 † accepted as Hystrivasum locklini (Olsson & Harbison, 1953) † (original description)
Vermicularia recta Olsson & Harbison, 1953 † (original description)
Vermicularia weberi Olsson & Harbison, 1953 † (original description)
Vermicularia woodringi Olsson & Harbison, 1953 † (original description)

Florida for Anachis (Alia) gardnerae Olsson & Harbison, 1953 † 
Florida for Calliostoma prejujubinum Olsson & Harbison, 1953 † 
Florida for Ficus floridensis Olsson & Harbison, 1953 † 
Florida for Solariorbis eugenes Pilsbry, 1953 † 
Florida for Teinostoma altum Pilsbry, 1953 
Florida for Teinostoma avunculus Pilsbry, 1953 
Florida for Teinostoma tectispira Pilsbry, 1953 
Florida for Triphora (Cosmotriphora) oreodoxa Olsson & Harbison, 1953 † 
Florida for Trivia floridana Olsson & Harbison, 1953 † 
Florida for Vasum locklini Olsson & Harbison, 1953 † 
Gulf of Mexico for Calliostoma (Eutrochus) jujubinum var. rawsoni Dall, 1889 
Virgin Islands for Calliostoma (Eutrochus) jujubinum var. rawsoni Dall, 1889