Lohmann and Bückmann, 1926
Gill slits of various forms and sizes. Tail ending in a simple tip (Fritillaria fraudax).
Ten taxa recorded from the South Atlantic Ocean. Fritillaria charybdae, cited by Lohmann and Hentschel (1939) from Brazilian waters, was later located only in Mediterranean and Pacific waters (Forneris, 1957; Fenaux, 1966; Bückmann and Kapp, 1975). This species will not be included in the present synopsis since it was probably misidentified with Fritillaria gracilis (cf. Dadon and Esnal, 1995).
Fritillaria aberrans Lohmann, 1896
Fritillaria aequatorialis Lohmann, 1896
Fritillaria antarctica Lohmann, 1905
Fritillaria drygalskii Lohmann and Bückmann, 1923
Fritillaria formica Fol, 1872
Fritillaria fraudax Lohmann, 1896
Fritillaria gracilis Lohmann, 1896
Fritillaria haplostoma Fol, 1872
Fritillaria helenae Bückmann, 1923