Cephalodella Bory de St. Vincent, 1826 (subsequent type designation)
Collotheca Harring, 1913 (original description)
Collothecidae Harring, 1913 (original description)
Dicranophoridae Harring, 1913 (original description)
Dicranophorus Nitzsch, 1827 (subsequent type designation)
Encentrum Ehrenberg, 1838 (subsequent type designation)
Epiphanidae Harring, 1913 (original description)
Habrotrochidae Harring, 1913 (original description)
Lepadellidae Harring, 1913 (original description)
Macrotrachela Milne, 1886 (subsequent type designation)
Monommata Bartsch, 1870 (subsequent type designation)
Mytilinidae Harring, 1913 (original description)
Notholca Gosse, 1886 (subsequent type designation)
Philodina Ehrenberg, 1830 (subsequent type designation)
Synchaeta Ehrenberg, 1832 (subsequent type designation)
Testudinella Bory de St. Vincent, 1826 (subsequent type designation)
Testudinellidae Harring, 1913 (original description)
Trichocercidae Harring, 1913 (original description)
Trochosphaeridae Harring, 1913 (original description)