Treated as subfamily of Pomatiidae in Bouchet & Rocroi, 2005, however Bouchet et al., 2017 re-recognise as family ... [details]
Technically, this family and type genus names are nomina dubia since the type species, Ataphrus crassus Gabb, 1869, ... [details]
Previously a family; reduced to subfamily (of Camaenidae) in Bouchet et al., 2017. The double date in authorship ... [details]
Previously Chilodontidae Wenz, 1938, non Chilodontidae Eigenmann, 1912 (Pisces). This amended spelling was proposed ... [details]
Included within Trochidae in earlier treatments, recognised as distinct by e.g. Williams et al., 2008. Junior ... [details]
Alternatively placed in own family, Maturifusidae, however Bouchet et al., 2017 consider that family a "tentative ... [details]
Junior homonym of Opisthonema Gill, 1861 (Actinopterygii); replacement name is Yuopisthonema Nützel, 2017. Family ... [details]
Invalid: type genus Opisthonema Yu, 1974 is a junior homonym of Opisthonema Gill, 1861 (Actinopterygii); ... [details]
Nomen novum for Opisthonema Yu, 1974, non Opisthonema Gill, 1861 (Actinopterygii). [details]
Nomen novum for Opisthonematidae Yu, 1976, invalid: type genus a junior homonym. [details]