Biplex Perry, 1810 accepted as
Gyrineum Link, 1807 (source of synonymy)
Cassinae Latreille, 1825 (status source)
Charoniidae A. W. B. Powell, 1933 (status source)
Cymatiidae Iredale, 1913 (status source)
Distorsionella Beu, 1978 (additional source)
Fusitriton laudandus H. J. Finlay, 1926 (additional source)
Personella Conrad, 1865 (status source)
Personella lewisi (Harasewych & Petuch, 1980) (new combination reference)
Personidae Gray, 1854 (basis of record)
Phaliinae Beu, 1981 (status source)
Pisanianuridae Warén & Bouchet, 1990 accepted as
Laubierinidae Warén & Bouchet, 1990 (source of synonymy)
Ranellidae Gray, 1854 (status source)
Thalassocyonidae F. Riedel, 1995 (status source)
Tonnoidea Suter, 1913 (1825) (basis of record)
New combination
New combination herein, as a result of synonymy of Biplex with Gyrineum (Strong et al. 2019). [details]
New combination
New combination herein, based on the synonymy (Strong et al. 2019) of Biplex with Gyrineum. [details]
New combination
New combination herein, based on the synonymy (Strong et al. 2019) of Biplex with Gyrineum. [details]