• Clavulina (Clavulinoides) fantinii Selli, 1946 †
• Clavulina alazanensis Nuttall, 1932 †
• Clavulina amorpha Cushman, 1926 † accepted as Pseudoclavulina amorpha (Cushman, 1926) †
• Clavulina anglica (Cushman, 1936) †
• Clavulina angularis d'Orbigny, 1826
• Clavulina angularis var. difformis Brady, 1884 accepted as Clavulina difformis Brady, 1884 accepted as Clavulina angularis d'Orbigny, 1826
• Clavulina antipodum Stache, 1864 † accepted as Arenodosaria antipodum (Stache, 1864) †
• Clavulina antipodum var. alpha Stache, 1864 †
• Clavulina antipodum var. beta Stache, 1864 †
• Clavulina antipodum var. gamma Stache, 1864 †
• Clavulina arenata Cushman, 1933 † accepted as Pseudoclavulina arenata (Cushman, 1933) †
• Clavulina aspera Cushman, 1926 † accepted as Clavulinoides aspera (Cushman, 1926) †
• Clavulina aspera var. whitei Cushman & Jarvis, 1932 † accepted as Clavulinoides aspera subsp. whitei (Cushman & Jarvis, 1932) †
• Clavulina auriculostoma Le Calvez, 1952 † accepted as Clavulina columnatortilis (d'Orbigny in Guérin-Méneville, 1832) † accepted as Gyrovalvulina columnatortilis (d'Orbigny in Guérin-Méneville, 1832) †
• Clavulina barnardi Futyan, 1976 †
• Clavulina bohajeci Voloshina, 1979 †
• Clavulina bradyi Cushman, 1911 accepted as Cylindroclavulina bradyi (Cushman, 1911)
• Clavulina bramlettei Cushman, 1929 †
• Clavulina brevis Agalarova, 1951 †
• Clavulina byramensis Cushman, 1922 † accepted as Liebusella byramensis (Cushman, 1922) †
• Clavulina byramensis var. extans Cushman, 1923 †
• Clavulina byramensis var. turgida Cushman, 1923 † accepted as Liebusella byramensis subsp. turgida (Cushman, 1923) †
• Clavulina caperata (Brady, 1881) accepted as Tritaxilina caperata (Brady, 1881)
• Clavulina capitosa (Cushman, 1933) † accepted as Pseudogaudryinella capitosa (Cushman, 1933) †
• Clavulina carinata Cushman & Renz, 1941 †
• Clavulina chitinosa Cushman & Jarvis, 1932 † accepted as Pseudoclavulina chitinosa (Cushman & Jarvis, 1932) †
• Clavulina clavata Cushman, 1926 † accepted as Pseudoclavulina clavata (Cushman, 1926) †
• Clavulina columnatortilis (d'Orbigny in Guérin-Méneville, 1832) † accepted as Gyrovalvulina columnatortilis (d'Orbigny in Guérin-Méneville, 1832) †
• Clavulina communis d'Orbigny, 1826 accepted as Clavulina communis d'Orbigny, 1846 accepted as Martinottiella communis (d'Orbigny, 1846)
• Clavulina communis d'Orbigny, 1846 accepted as Martinottiella communis (d'Orbigny, 1846)
• Clavulina communis var. dilatata Silvestri, 1900 †
• Clavulina communis var. nodulosa Cushman, 1922 accepted as Multifidella nodulosa (Cushman, 1922)
• Clavulina communis var. pallida Cushman, 1927 accepted as Martinottiella pallida (Cushman, 1927)
• Clavulina compressa Cushman, 1928 † accepted as Clavulinoides compressa (Cushman, 1928) †
• Clavulina corrugata Deshayes, 1830 † accepted as Clavulina columnatortilis (d'Orbigny in Guérin-Méneville, 1832) † accepted as Gyrovalvulina columnatortilis (d'Orbigny in Guérin-Méneville, 1832) †
• Clavulina crustata (Cushman, 1936) accepted as Pseudoclavulina crustata Cushman, 1936
• Clavulina curta Galloway & Morrey, 1929 †
• Clavulina cylindrica (Cushman, 1922) accepted as Goesella cylindrica (Cushman, 1922)
• Clavulina cylindrica d'Orbigny, 1826 accepted as Clavulina cylindrica d'Orbigny, 1852 accepted as Martinottiella cylindrica (d'Orbigny, 1852)
• Clavulina cylindrica d'Orbigny, 1852 accepted as Martinottiella cylindrica (d'Orbigny, 1852)
• Clavulina cylindrica Hantken, 1875 † accepted as Clavulina rudislosta Hantken, 1889 † accepted as Cylindroclavulina rudislosta (Hantken, 1889) †
• Clavulina cylindrica var. major Seguenza, 1880 †
• Clavulina difformis Brady, 1884 accepted as Clavulina angularis d'Orbigny, 1826
• Clavulina difformis var. ornata Cushman, 1936 †
• Clavulina digitata Meshcheryakova, 1975 †
• Clavulina disjuncta Cushman, 1933 † accepted as Clavulinoides disjuncta (Cushman, 1933) †
• Clavulina elegans Karrer, 1864 † accepted as Clavulina antipodum Stache, 1864 † accepted as Arenodosaria antipodum (Stache, 1864) †
• Clavulina eocaena Gümbel, 1870 †
• Clavulina esterewi Dzhafarov & Agalarova, 1949 †
• Clavulina flintiana Cushman, 1922
• Clavulina floridana Cole, 1942 †
• Clavulina gabonica Le Calvez, de Klasz & Brun, 1971 †
• Clavulina gaudryinellinoides Subbotina, 1947 †
• Clavulina gaudryinoides Fornasini, 1885 † accepted as Martinottiella gaudryinoides (Fornasini, 1885) † accepted as Karreriella gaudryinoides (Fornasini, 1885) †
• Clavulina gaultina Morozova, 1948 † accepted as Tritaxia gaultina (Morozova, 1948) †
• Clavulina golubjatnikovi Shutskaya, 1956 †
• Clavulina guayabalensis Cole, 1927 †
• Clavulina hastata (Cushman, 1927) †
• Clavulina hastata subsp. admota Podobina, 1966 †
• Clavulina huanghaiensis Lei & Li, 2016
• Clavulina humilis Brady, 1884 accepted as Pseudoclavulina humilis (Brady, 1884)
• Clavulina humilis var. mexicana Cushman, 1922 accepted as Clavulina mexicana Cushman, 1922 accepted as Pseudoclavulina mexicana (Cushman, 1922)
• Clavulina insignis Plummer, 1931 † accepted as Clavulinoides insignis (Plummer, 1931) †
• Clavulina irregularis Costa, 1856 †
• Clavulina irregularis Deshayes, 1830 †
• Clavulina irregularis Roemer, 1838 †
• Clavulina isidrensis Rusconi, 1950 †
• Clavulina janschini Lipman, 1960 †
• Clavulina laevigata Goës, 1894
• Clavulina listerelloides Morozova, 1949 †
• Clavulina maqfiensis (LeRoy, 1953) †
• Clavulina mexicana Cushman, 1922 accepted as Pseudoclavulina mexicana (Cushman, 1922)
• Clavulina mirchincki Agalarova, 1951 †
• Clavulina multicamerata Chapman, 1907
• Clavulina nodosaria d'Orbigny, 1839
• Clavulina nodosaria var. novangliae Cushman, 1922 accepted as Clavulina novangliae Cushman, 1922
• Clavulina novangliae Cushman, 1922
• Clavulina obscura Chaster, 1892 accepted as Pseudoclavulina obscura (Chaster, 1892)
• Clavulina occidentalis Cushman, 1922 represented as Martinottiella occidentalis (Cushman, 1922)
• Clavulina pacifica Cushman, 1924 accepted as Olgia pacifica (Cushman, 1924) accepted as Olgita pacifica (Cushman, 1924)
• Clavulina parisiensis d'Orbigny in Deshayes, 1830 †
• Clavulina parisiensis d'Orbigny, 1826 † accepted as Clavulina parisiensis d'Orbigny in Deshayes, 1830 †
• Clavulina parisiensis var. humilis Brady, 1884 accepted as Clavulina humilis Brady, 1884 accepted as Pseudoclavulina humilis (Brady, 1884)
• Clavulina parisiensis var. multicamerata Chapman, 1907 accepted as Clavulina multicamerata Chapman, 1907
• Clavulina parkeri Mikhalevich, 1976
• Clavulina patens Cushman & Laiming, 1931 †
• Clavulina paxilliformis Haque, 1956 †
• Clavulina paxilliformis var. symmetrica Haque, 1956 †
• Clavulina philippinica Karrer, 1878 †
• Clavulina planotrilatera Subbotina, 1950 †
• Clavulina plummerae Sandidge, 1932 † accepted as Clavulinoides plummerae (Sandidge, 1932) †
• Clavulina porrecta Kipriyanova, 1960 †
• Clavulina primaeva Cushman, 1913 accepted as Martinottiella primaeva (Cushman, 1913)
• Clavulina procera Goës, 1889 accepted as Dusenburyina procera (Goës, 1889)
• Clavulina pseudoparisiensis Anan, 1984
• Clavulina pseudoparisiensis Hofker, 1966 †
• Clavulina robusta Stache, 1864 † accepted as Arenodosaria robusta (Stache, 1864) † accepted as Arenodosaria antipodum (Stache, 1864) †
• Clavulina robusta var. alpha Stache, 1864 †
• Clavulina robusta var. beta Stache, 1864 †
• Clavulina rotundata Cushman, 1913 accepted as Goesella rotundata (Cushman, 1913)