Admete (Coptostoma) Cossmann, 1899 † accepted as
Coptostoma Cossmann, 1899 † (original description)
Cancellaria (Merica) H. Adams & A. Adams, 1854 accepted as
Merica H. Adams & A. Adams, 1854 (subsequent type designation)
Cylindromitrinae Cossmann, 1899 (original description)
Dentimargo Cossmann, 1899 (original description)
Euryentome Cossmann, 1899 † (original description)
Isara H. Adams & A. Adams, 1853 (subsequent type designation)
Merica H. Adams & A. Adams, 1854 (subsequent type designation)
Merica (Gergovia) Cossmann, 1899 † accepted as
Gergovia Cossmann, 1899 † (original description)
Scaphella victoriensis Cossmann, 1899 † accepted as
Notopeplum politum (Tate, 1889) † (original description)
Sveltella philippii Cossmann, 1899 (original description)
Sveltia (Aneurystoma) Cossmann, 1899 † accepted as
Aneurystoma Cossmann, 1899 † (original description)
Trigonostomatinae Cossmann, 1899 accepted as
Cancellariinae Forbes & Hanley, 1851 (original description)