• [non-Uristidae] albinus (K.H. Barnard, 1932): Exoskeleton (including shells)
• [non-Uristidae] dawsoni Hurley, 1963: Exoskeleton (including shells)
• [non-Uristidae] georgianus (Schellenberg, 1931): Exoskeleton (including shells)
• [non-Uristidae] natalensis K.H. Barnard, 1916: Exoskeleton (including shells)
• Aatolana rapax Bruce, 1993: Exoskeleton (including shells)
• Aatolana schioedtei (Miers, 1884): Exoskeleton (including shells)
• Aatolana springthorpei Keable, 1998: Exoskeleton (including shells)
• Abatetia robusta (Parent, 1933): Exoskeleton (including shells)
• Abathescalpellum fissum (Hoek, 1907): Exoskeleton (including shells)
• Abathescalpellum koreanum (Hiro, 1933): Exoskeleton (including shells)
• Abdia latipalpus (Walker & Scott, 1903): Exoskeleton (including shells)
• Abebaioscia troglodytes Vandel, 1973: Exoskeleton (including shells)
• Aberomysis muranoi Bacescu & Iliffe, 1986: Exoskeleton (including shells)
• Aberratylus aberrantis (J.L. Barnard, 1962): Exoskeleton (including shells)
• Abgrallaspis cyanophylli (Signoret, 1869): Exoskeleton (including shells)
• Ablabesmyia mala (Hutton, 1902): Exoskeleton (including shells)
• Abludogammarus flavus (Dybowsky, 1874): Exoskeleton (including shells)
• Abludomelita aculeata (Chevreux, 1911): Exoskeleton (including shells)
• Abludomelita amoena (Hansen, 1888): Exoskeleton (including shells)
• Abludomelita breviarticulata (Ren, 2012): Exoskeleton (including shells)
• Abludomelita denticulata (Nagata, 1965): Exoskeleton (including shells)
• Abludomelita gladiosa (Spence Bate & Westwood, 1862): Exoskeleton (including shells)
• Abludomelita huanghaiensis (Ren, 2012): Exoskeleton (including shells)
• Abludomelita japonica (Nagata, 1965): Exoskeleton (including shells)
• Abludomelita klitinii Labay, 2016: Exoskeleton (including shells)
• Abludomelita machaera (K.H. Barnard, 1955): Exoskeleton (including shells)
• Abludomelita mucronata (Griffiths, 1975): Exoskeleton (including shells)
• Abludomelita obtusata (Montagu, 1813): Exoskeleton (including shells)
• Abludomelita okhotensis Labay, 2016: Exoskeleton (including shells)
• Abludomelita richardi (Chevreux, 1900): Exoskeleton (including shells)
• Abludomelita rotundactyla (Ren, 2012): Exoskeleton (including shells)
• Abludomelita somovae (Bulyčeva, 1952): Exoskeleton (including shells)
• Abludomelita unamoena (Hirayama, 1987): Exoskeleton (including shells)
• Abormon capillosum Mitra, Pati & Ng, 2021: Exoskeleton (including shells)
• Abormon praecalvum Mitra, Pati & Ng, 2021: Exoskeleton (including shells)
• Aborolobatea insidiosa Hughes & Lowry, 2009: Exoskeleton (including shells)
• Aborolobatea paracheliformis Ledoyer, 1984: Exoskeleton (including shells)
• Abortelphusa namdaphaensis Mitra, 2020: Exoskeleton (including shells)
• Abroscelis anchoralis (Chevrolat, 1845): Exoskeleton (including shells)
• Abrotanais geniculum Gellert & Błażewicz, 2018: Exoskeleton (including shells)
• Abyssaranea minuta Golovan & Malyutina in Golovan, Malyutina & Sharina, 2023: Exoskeleton (including shells)
• Abyssaranea rupis Wilson & Hessler, 1974: Exoskeleton (including shells)
• Abyssarcturella cidaris Poore & Bardsley, 1992: Exoskeleton (including shells)
• Abyssarcturella panope Poore & Bardsley, 1992: Exoskeleton (including shells)
• Abyssarcturus averincevi Kussakin & Vasina, 1995: Exoskeleton (including shells)
• Abyssianira acutilobi Doti & Roccatagliata, 2006: Exoskeleton (including shells)
• Abyssianira argentenensis Menzies, 1962: Exoskeleton (including shells)
• Abyssianira bathyalis Just, 1990: Exoskeleton (including shells)
• Abyssianira dentifrons Menzies, 1956: Exoskeleton (including shells)
• Abyssianira lingula Doti & Roccatagliata, 2006: Exoskeleton (including shells)
• Abyssianira tasmaniensis Just, 1990: Exoskeleton (including shells)
• Abyssicaprella galatheae McCain, 1966: Exoskeleton (including shells)
• Abyssododecas styx Takeuchi, Tomikawa & Lindsay, 2016: Exoskeleton (including shells)
• Abyssogammarus echinatus Bazikalova, 1935: Exoskeleton (including shells)
• Abyssogammarus gracilis Sowinsky, 1915: Exoskeleton (including shells)
• Abyssogammarus minor Bazikalova, 1945: Exoskeleton (including shells)
• Abyssogammarus sarmatus (Dybowsky, 1874): Exoskeleton (including shells)
• Abyssoleucon tzarevae Lavrenteva & Mühlenhardt-Siegel, 2015: Exoskeleton (including shells)
• Abyssomysis cornuta Wittmann, 2020: Exoskeleton (including shells)
• Abyssoniscus ovalis Birstein, 1971: Exoskeleton (including shells)
• Abyssophthalmus adinae Schweitzer, Feldmann, Lazăr, Schweigert & Franţescu, 2018 †: Exoskeleton (including shells)
• Abyssophthalmus bellaii (Crônier & Bouriscot, 2009) †: Exoskeleton (including shells)
• Abyssophthalmus dzhafarberdensis (Ilyin, 2005) †: Exoskeleton (including shells)
• Abyssophthalmus hebes (von Meyer, 1840) †: Exoskeleton (including shells)
• Abyssophthalmus mainense (Crônier & Bouriscot, 2009) †: Exoskeleton (including shells)
• Abyssophthalmus mirus (Möricke, 1889) †: Exoskeleton (including shells)
• Abyssophthalmus schultzi Schweitzer & Feldmann, 2009 †: Exoskeleton (including shells)
• Abyssophthalmus spinosus (von Meyer, 1842) †: Exoskeleton (including shells)
• Abyssophthalmus stotzingense (von Meyer, 1860) †: Exoskeleton (including shells)
• Abyssorchomene abyssorum (Stebbing, 1888): Exoskeleton (including shells)
• Abyssorchomene charcoti (Chevreux, 1912): Exoskeleton (including shells)
• Abyssorchomene chevreuxi (Stebbing, 1906): Exoskeleton (including shells)
• Abyssorchomene distinctus (Birstein & M. Vinogradov, 1960): Exoskeleton (including shells)
• Abyssorchomene gerulicorbis (Shulenberger & Barnard, 1976): Exoskeleton (including shells)
• Abyssorchomene musculosus (Stebbing, 1888): Exoskeleton (including shells)
• Abyssorchomene nodimanus (Walker, 1903): Exoskeleton (including shells)
• Abyssorchomene patriciae Hendrycks & De Broyer, 2022: Exoskeleton (including shells)
• Abyssorchomene pelagicus (Birstein & M. Vinogradov, 1960): Exoskeleton (including shells)
• Abyssorchomene scotianensis (Andres, 1983): Exoskeleton (including shells)
• Abyssorchomene shannonae Hendrycks & De Broyer, 2022: Exoskeleton (including shells)
• Abyssotheres abyssicola (Alcock & Anderson, 1899): Exoskeleton (including shells)
• Abyssotheres acesticola Komatsu & Ohtsuka, 2009: Exoskeleton (including shells)
• Acaenosquilla brazieri (Miers, 1880): Exoskeleton (including shells)
• Acaenosquilla keablei Ahyong, 2022: Exoskeleton (including shells)
• Acaenosquilla latifrons (de Haan, 1844): Exoskeleton (including shells)
• Acaeroplastes amicitiae Pollo Zorita & Dalens, 1982: Exoskeleton (including shells)
• Acaeroplastes delattini Verhoeff, 1951: Exoskeleton (including shells)
• Acaeroplastes ischianus Verhoeff, 1942: Exoskeleton (including shells)
• Acaeroplastes kosswigi Verhoeff, 1941: Exoskeleton (including shells)
• Acaeroplastes melanurus (Budde-Lund, 1885): Exoskeleton (including shells)
• Acaeroplastes pellegrinensis (Verhoeff, 1918): Exoskeleton (including shells)
• Acaeroplastes romanus Schmölzer, 1953: Exoskeleton (including shells)
• Acaeroplastes simrothi (Verhoeff, 1918): Exoskeleton (including shells)
• Acaeroplastes syriacus Verhoeff & Strouhal, 1967: Exoskeleton (including shells)
• Acallocheirus echmanomus Bird & Bamber, 2013: Exoskeleton (including shells)
• Acanalonia pumila (Van Duzee, 1908): Exoskeleton (including shells)
• Acanthacaris caeca (A. Milne-Edwards, 1881): Exoskeleton (including shells)
• Acanthacaris tenuimana Spence Bate, 1888: Exoskeleton (including shells)
• Acanthalona willisi (Smirnov, 1989): Exoskeleton (including shells)
• Acanthamunnopsis hystrix Schultz, 1978: Exoskeleton (including shells)