Barroisocaulus asiatica (FOSSIL) Gubanov & al., 1995 † Kyrgyzstan, Osh, Chong-Alay
Vetotuba bauerae (FOSSIL) (Cook, 1994 †) Australia, Victoria, Wellington - Rosedale
Ptychocaulus bivittata (FOSSIL) (J.W. Hall, 1852 †) Canada, Ontario, Wellington
Vetotuba brazieri (FOSSIL) R. Etheridge jr., 1890 † Australia, Victoria, Yarra - North
Medfracaulus contracta (FOSSIL) (J. Perner, 1907 †) Czech Republic, Prague
Medfracaulus cooki (FOSSIL) Rohr & al., 2003 † Alaska, Limestone Mountain
Ptychocaulus crumena (FOSSIL) J. Perner, 1907 †
Barroisocaulus davyi (FOSSIL) (Barrois, 1889 †) Austria
Gasconadia floridensis (FOSSIL) (Cleland, 1900 †) USA, New York, Montgomery
Barroisocaulus kayseri (FOSSIL) (Spitz, 1907 †)
Ptychocaulus magna (FOSSIL) Karczewski, 1980 †
Gasconadia mohawkensis (FOSSIL) (Cleland, 1900 †) USA, New York, Montgomery
Barroisocaulus oliveri (FOSSIL) Gubanov & al., 1995 † Kyrgyzstan, Osh, Chong-Alay
Gasconadia putilla (FOSSIL) (Sardeson, 1896 †) USA, Missouri, Camden
Ptychocaulus rodneyi (FOSSIL) Rohr, 1980 † USA, California, Siskiyou
Medfracaulus sana (FOSSIL) (Barrande in J. Perner, 1907 †) Czech Republic, Prague
Barroisocaulus semiornata (FOSSIL) (Spitz, 1907 †) Austria
Medfracaulus sinelnikovae (FOSSIL) Mazaev, 2016 † Russia, Moscow
Medfracaulus turriformis (FOSSIL) (A. Chernyshev, 1893 †) USA, Prince of Wales island
Ptychocaulus verneuili (FOSSIL) (E.F.R.K. Koken, 1889 †) United States, Nevada, Eureka