Anisoxya Topsent, 1898 accepted as
Topsentia Berg, 1899 (original description)
Anisoxya glabra Topsent, 1898 accepted as
Topsentia glabra (Topsent, 1898) (original description)
Cerbaris Topsent, 1898 (original description)
Cerbaris torquatus Topsent, 1898 (original description)
Cliona levispira Topsent, 1898 accepted as
Spiroxya levispira (Topsent, 1898) (original description)
Heteroxya Topsent, 1898 (original description)
Heteroxya corticata Topsent, 1898 (original description)
Higginsia thielei Topsent, 1898 (original description)
Leptosia schmidti Topsent, 1898 accepted as
Acanthancora schmidti (Topsent, 1898) (original description)
Monocrepidium Topsent, 1898 (original description)
Monocrepidium vermiculatum Topsent, 1898 (original description)
Petromica Topsent, 1898 (original description)
Petromica grimaldii Topsent, 1898 represented as
Petromica (Petromica) grimaldii Topsent, 1898 (original description)
Rhaphidorus Topsent, 1898 accepted as
Spinularia Gray, 1867 (original description)
Rhaphidorus setosus Topsent, 1898 accepted as
Spinularia spinularia (Bowerbank, 1866) (original description)
Sollasella hystrix (Topsent, 1890) accepted as
Pseudotrachya hystrix (Topsent, 1890) (source of synonymy)
Sphaerotylus Topsent, 1898 (original description)
Tylexocladus Topsent, 1898 (original description)
Tylexocladus joubini Topsent, 1898 (original description)
Yvesia alecto Topsent, 1898 accepted as
Crellastrina alecto (Topsent, 1898) (original description)