Tryblidium modestum (FOSSIL) Ulrich & Scofield, 1897 †
Tryblidium niobe (FOSSIL) (Billings, 1865 †)
Tryblidium nycteis (FOSSIL) (Billings, 1865 †)
Tryblidium ovale (FOSSIL) R.P. Whitfield, 1886 †
Tryblidium ovatum (FOSSIL) R.P. Whitfield, 1886 †
Pilina ovoideum (FOSSIL) E.F.R.K. Koken& J. Perner, 1925 †
Kosovina peeli (FOSSIL) Horný, 2004 †
Pragamira perlonga (FOSSIL) (Horný, 1963 †)
Kotysium praepostera (FOSSIL) (J. Perner, 1903 †)
Pentalina prantli (FOSSIL) Horný, 1961 †
Undicornu productum (FOSSIL) (Barrande, 1881 †)
Helcionopsis radiatum (FOSSIL) (Lindström, 1884 †)
Tryblidium reticulatum (FOSSIL) Angelin & Lindström,1880 †
Helcionopsis reticulatus (FOSSIL) Easton, 1943 †
Drahomira rugata (FOSSIL) (J. Perner, 1903 †)
Tryblidium rugosum (FOSSIL) Bradley, 1930 †
Proplina rutfordi (FOSSIL) Webers & al., 1992 †
Proplina sibelius (FOSSIL) Stinchcomb, 1986 †
Tryblidium simplex (FOSSIL) R.P. Whitfield, 1886 †
Pilina solarium (FOSSIL) (Lindström, 1884 †)
Helcionopsis striata (FOSSIL) Ulrich & Scofield, 1897 †
Helcionopsis subcarinata (FOSSIL) Ulrich & Scofield, 1897 †
Proplina suttoni (FOSSIL) Stinchcomb, 1986 †
Tryblidium thorsteinssoni (FOSSIL) Boucot, 1975 †
Pilina unguis (FOSSIL) (Angelin & Lindström,1880 †)
Helcionopsis wisconsinensis (FOSSIL) Ulrich & Scofield, 1897 †