Jaera albifrons albifrons Forsman, 1949 – synonym of Jaera albifrons
Jaera albifrons ischiosetosa Forsman, 1949 – synonym of Jaera ischiosetosa
Jaera albifrons praehirsuta Forsman, 1949 – synonym of Jaera praehirsuta
Jaera albifrons syei Bocquet, 1950 – synonym of Jaera syei
Jaera baltica Müller, 1848 – synonym of Jaera albifrons
Jaera copiosa Stimpson, 1853 – synonym of Jaera albifrons
Jaera kroyerii Milne-Edwards, 1840 – synonym of Jaera albifrons
Jaera marina albifrons Bocquet, 1953 – synonym of Jaera albifrons
Jaera marina ischiosetosa Bocquet, 1953 – synonym of Jaera ischiosetosa
Jaera marina praehirsuta Bocquet, 1953 – synonym of Jaera praehirsuta
Jaera marina Sars, 1899 – synonym of Jaera albifrons
Jaera nivalis Krøer, 1838 – synonym of Jaera albifrons
Jassa dentex Chevreux and Fage, 1925 – synonym of Jassa falcata
Jassa falcata Sexton and Reid, 1951 – synonym of Jassa falcata
Jassa falcata Sexton and Reid, 1951 – synonym of Jassa herdmani
Jassa ocia Chevreux and Fage, 1925 – synonym of Jassa ocia
Jassa ocius Stebbing, 1906 – synonym of Jassa ocia
Jassa puichella Leach, 1814 – synonym of Jassa falcata
Jonesia simplex Brady, 1866 – synonym of Jonesia acuminata