Mesochiton busambrensis (FOSSIL) (Scalia, 1903 †) Italy, Sicily
Mesochiton dolomiticus (FOSSIL) G.F. Laghi, 2005 † Italy, Dolomiti
Diadelochiton recavus (FOSSIL) Hoare, 2002 †
Mesochiton zardinii (FOSSIL) G.F. Laghi, 1982 † Italy, Dolomiti