• Azpeitia M. Peragallo in J. Tempère & H. Peragallo, 1912
• Azpeitia aeginensis (Schmidt) P.A. Sims in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus aeginensis var. aeginensis Schmidt in Schmidt et al., 1888
• Azpeitia aeginensis (Schmidt) Sims in Sims, Fryxell & Baldauf, 1989 accepted as Coscinodiscus aeginensis var. aeginensis Schmidt in Schmidt et al., 1888
• Azpeitia africana (Janisch ex Schmidt) G. Fryxell & T. P. Watkins in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus africanus var. africanus Janisch in Schmidt et al., 1878
• Azpeitia africana var. nodulifer (Reinhold) Desikachary, Gowthaman & Latha, 1987 accepted as Coscinodiscus africanus var. nodulifer Reinhold, 1937
• Azpeitia antiqua (Pantocsek) P.A. Sims in Fryxell, Sims & Watkins, 1986
• Azpeitia apiculata P.A. Sims in Sims, Fryxell & Baldauf, 1989 (uncertain > unassessed)
• Azpeitia barronii G. Fryxell & T. P. Watkins in Fryxell, Sims & Watkins, 1986 (uncertain > unassessed)
• Azpeitia biannulata P.A. Sims in Mahood, Barron & Sims, 1993 † (uncertain > unassessed)
• Azpeitia biradiata (Greville) P.A. Sims in Fryxell, Sims & Watkins (1986) †
• Azpeitia bukryi (J.A. Barron) J.A. Barron accepted as Thalassiosira bukryi Barron, 1983
• Azpeitia crenuloides P.A. Sims in Fryxell, Sims & Watkins, 1986 (uncertain > unassessed)
• Azpeitia elegantula (Greville) P.A. Sims in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus elegantulus Greville, 1861
• Azpeitia elmorenii Moreno-Ruiz in Moreno-Ruiz, Santoyo & Vega-Murillo, 1995 (uncertain > unassessed)
• Azpeitia elmorenii var. ferreira Moreno-Ruiz in Moreno-Ruiz, Santoyo & Vega-Murillo, 1995 (uncertain > unassessed)
• Azpeitia endoi (Kanaya) P.A. Sims & G. Fryxell in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus endoi Kanaya, 1959
• Azpeitia gombosii Harwood & Maruyama, 1992 † (uncertain > unassessed)
• Azpeitia grovei P.A. Sims in Fryxell, Sims & Watkins, 1986 (uncertain > unassessed)
• Azpeitia komurae Akiba, 1987 (uncertain > unassessed)
• Azpeitia neocrenulata (VanLandingham) G. Fryxell & T.P. Watkins in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus neocrenulatus var. neocrenulatus VanLandingham, 1968
• Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986
• Azpeitia nodulifera f. cyclopa (Jousé) P.A. Sims in Sims, Fryxell & Baldauf, 1989 accepted as Coscinodiscus nodulifer f. cyclopus Jousé, 1971
• Azpeitia nodulifera f. variantia M. Shiono in M. Shiono & I. Koizumi, 2002 (uncertain > unassessed)
• Azpeitia obscura (Greville) P.A. Sims in Williams, 1988 accepted as Triceratium obscurum f. obscurum Greville, 1861
• Azpeitia oligocenica (Jousé) P.A. Sims in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus oligocenicus Jousé, 1973
• Azpeitia oligocenica (Jousé) Sims in Sims, Fryxell & Baldauf, 1989 accepted as Coscinodiscus oligocenicus Jousé, 1973
• Azpeitia praenodulifera (Barron) P.A. Sims & G. Fryxell in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus praenodulifer Barron, 1983
• Azpeitia praenodulifera (Barron) Sims & Fryxell in Sims, Fryxell & Baldauf, 1989 accepted as Coscinodiscus praenodulifer Barron, 1983
• Azpeitia salisburyana (Lohman) P.A. Sims in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus salisburyanus Lohman, 1948
• Azpeitia salisburyana (Lohman) Sims in Sims, Fryxell & Baldauf, 1989 accepted as Coscinodiscus salisburyanus Lohman, 1948
• Azpeitia tabularis (Grunow) G.Fryxell & P.A.Sims, 1986 accepted as Coscinodiscus tabularis var. tabularis Grunow, 1884
• Azpeitia tabularis var. egregius (Rattray) Desikachary, Gowthaman & Latha, 1987 accepted as Coscinodiscus egregius Rattray, 1890
• Azpeitia temperei M. Peragallo in Tempère & Peragallo, 1912 (uncertain > unassessed)
• Azpeitia temperi M.Peragallo accepted as Azpeitia antiqua (Pantocsek) P.A. Sims in Fryxell, Sims & Watkins, 1986
• Azpeitia tuberculata (Greville) P.A. Sims in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus tuberculatus var. tuberculatus Greville, 1861
• Azpeitia tuberculata var. atlantica (Gleser & Jousé) P.A. Sims in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus tuberculatus var. atlantica A.P.Jousé
• Azpeitia verruculosa P.A. Sims in Fryxell, Sims & Watkins, 1986 (uncertain > unassessed)
• Azpeitia vetustissima (Pantocsek) P.A. Sims in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus vetustissimus var. vetustissimus Pantocsek, 1886
• Azpeitia vetustissima (Pantocsek) Sims in Sims, Fryxell & Baldauf, 1989 accepted as Coscinodiscus vetustissimus var. vetustissimus Pantocsek, 1886
• Azpeitia vetustissima var. voluta (Baldauf) P.A Sims in Sims, Fryxell & Baldauf, 1989 accepted as Coscinodiscus volutus Baldauf in Baldauf & Barron, 1982
• Azpeitia voluta (Baldauf) P.A. Sims in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus volutus Baldauf in Baldauf & Barron, 1982