Rhynchonellata
Boonderella Percival, 1991
Comatopoma Havlicek, 1950
Famatinorthis Levy & Nullo, 1973
Gelidorthina Havlicek, 1974
Gelidorthis Havlicek, 1968
Giraldiella Williams, 1951
Kvania Havlicek, 1994
Phaceloorthis Percival, 1991
Proteorthis Havlicek, 1974
Scaphorthis Cooper, 1956
Tazzarinia Havlicek, 1971