Trajancypris Martens, 1989
Trajancypris clavata (Baird, 1838) Martens 1989: PA
Cypris clavata Baird, 1838
Syn.: Cypris celtica Baird, 1859 (fide Martens 1989)
Syn.: Candonocypris ferdinandi Lindner, 1920 (fide Martens 1989)
Syn.: Eucypris clavata parva Bronstein, 1925 (fide Martens 1989)
Syn.: Eucypris clavata inversa Sywula, 1967 (fide Martens 1989)
Syn.: Sclerocypris clavata prisca Diebel & Pietrzeniuk, 1969 (fide Martens 1989)
Trajancypris domingensis (Daday, 1910) Martens & Behen 1994: NT
Eucypris domingensis Daday, 1910
Trajancypris laevis (G.W. Müller, 1900) Martens 1989: PA
Cypris Lienenklausi var. laevis G.W. Müller, 1900
Syn.: * Cypris lienenklausi laevis G.W. Müller, 1900 (fide Martens 1989)
Trajancypris onusta (Masi, 1905) Martens 1989: PA
Cypris onusta Masi, 1905
Syn.: Trajancypris clavata sensu Bronstein 1925 (fide Martens 1989)
Syn.: Eucypris serrata (G.W. Müller, 1900) sensu Alm 1915 (fide Martens 1989)
Trajancypris pugionis (Furtos, 1936) Meisch et al. 2019a: NA
Candonocypris pugionis Furtos, 1936
Trajancypris serrata (G.W. Müller, 1900) Martens 1989: NA, PA
Cypris Lienenklausi var. serrata G.W. Müller, 1900
Syn.: Cypris lienenklausi serrata G.W. Müller, 1900 (fide Martens 1989)
Syn.: Eucypris serrata f. balcanica Petkovski, 1959 (fide Martens 1989)
Syn.: Prionocypris muelleri Danielopol & McKenzie, 1977 (fide Martens 1989)
Nom. nov. pro Prionocypris serrata (G.W. Müller) nec Norman, 1862