Acanthancora Topsent, 1927 (original description)
Acanthancora clavatancora Topsent, 1927 accepted as Pseudohalichondria clavatancora (Topsent, 1927) (original description)
Acantheurypon Topsent, 1927 (original description)
Acantheurypon scabiosum Topsent, 1927 accepted as Eurypon scabiosum (Topsent, 1927) (original description)
Alloscleria Topsent, 1927 (original description)
Alloscleria tenuispinosa Topsent, 1927 (original description)
Anisocrella Topsent, 1927 (original description)
Anisocrella hymedesmina Topsent, 1927 (original description)
Astylinifer Topsent, 1927 accepted as Acheliderma Topsent, 1892 (original description)
Astylinifer planus Topsent, 1927 accepted as Acheliderma planum (Topsent, 1927) (original description)
Bathydorus servatus Topsent, 1927 (original description)
Biemna peachii var. peracuta Topsent, 1927 accepted as Biemna peracuta Topsent, 1927 (original description)
Chaetodoryx Topsent, 1927 (original description)
Clathria (Cornulotrocha) Topsent, 1927 (original description)
Clinolabis Topsent, 1927 accepted as Forcepia (Leptolabis) Topsent, 1901 (original description)
Clinolabis dentifera Topsent, 1927 accepted as Forcepia (Leptolabis) dentifera (Topsent, 1927) (original description)
Coelosphaera (Histodermion) Topsent, 1927 (original description)
Cornulotrocha Topsent, 1927 accepted as Clathria (Cornulotrocha) Topsent, 1927 (original description)
Cornulotrocha cheliradians Topsent, 1927 accepted as Clathria (Cornulotrocha) cheliradians (Topsent, 1927) (original description)
Crellastrina Topsent, 1927 (original description)
Echinostylinos Topsent, 1927 (original description)
Echinostylinos reticulatus Topsent, 1927 (original description)
Erylus discophorus var. deficiens Topsent, 1927 accepted as Erylus deficiens Topsent, 1927 (original description)
Erylus expletus Topsent, 1927 (original description)
Erylus papillatus Topsent, 1927 (original description)
Gellius binarius Topsent, 1927 accepted as Haliclona (Gellius) binaria (Topsent, 1927) (original description)
Leptosia sirventi Topsent, 1927 accepted as Hymenancora sirventi (Topsent, 1927) (original description)
Mycalopsis Topsent, 1927 accepted as Esperiopsis Carter, 1882 (original description)
Mycalopsis radiata Topsent, 1927 accepted as Esperiopsis radiata (Topsent, 1927) (original description)
Oopsacas Topsent, 1927 (original description)
Oopsacas minuta Topsent, 1927 (original description)
Plakina brachylopha Topsent, 1927 (original description)
Plakinastrella trunculifera Topsent, 1927 (original description)
Plocamiancora Topsent, 1927 (original description)
Plocamione Topsent, 1927 (original description)
Plocamione dirrhopalina Topsent, 1927 (original description)
Plocamionida Topsent, 1927 (original description)
Rhabderemia fascicularis Topsent, 1927 (original description)
Rhabderemia mutans Topsent, 1927 (original description)
Suberites hirsutus Topsent, 1927 (original description)
Yvesia dispar Topsent, 1927 accepted as Crella (Yvesia) dispar (Topsent, 1927) (original description)