Externí odkaz - vědecká synonyma
Archaeocryptolaria Chapman, 1919: Archaeolafoea Chapman, 1919
Archaeocryptolaria skeatsi Chapman, 1919: Archaeolafoea longicornis Chapman, 1919
Fascillitubus Obut and Sobolevskaya, 1967: Sphenoecium Chapman & Thomas, 1936
Rhabdopleura obuti Durman and Sennikov, 1993: Sphenoecium obuti (Durman and Sennikov, 1993)
Rhabdotubus Bengtson & Urbanek, 1986: Sphenoecium Chapman & Thomas, 1936
Rhabdotubus johanssoni Bengtson & Urbanek, 1986: Sphenoecium mesocambricus (Öpik, 1933)
Rhabdotubus robustus Maletz et al., 2005: Sphenoecium robustus (Maletz et al., 2005)
Sphenothallus Chapman, 1917: Sphenoecium Chapman & Thomas, 1936
Sphenothallus filicoides Chapman, 1917: Sphenoecium filicoides (Chapman, 1917)