Cornulum ascidioides Fristedt, 1887 accepted as Coelosphaera (Coelosphaera) physa (Schmidt, 1875) (source of synonymy)
Cornulum enteromorphoides Fristedt, 1887 accepted as Myxilla (Myxilla) fimbriata (Bowerbank, 1866) (identification resource)
Cornulum textile Carter, 1876 (additional source)
Histoderma appendiculatum Carter, 1874 accepted as Coelosphaera (Coelosphaera) tubifex Thomson, 1873 (basis of record)
Histodermella Lundbeck, 1910 (original description)
Histodermella ingolfi Lundbeck, 1910 (original description)
Hymedesmia (Hymedesmia) laevistylus Lundbeck, 1910 (original description)
Hymedesmia baculifera (Topsent, 1901) represented as Hymedesmia (Hymedesmia) baculifera (Topsent, 1901) (additional source)
Hymedesmia crux (Schmidt, 1875) represented as Hymedesmia (Hymedesmia) crux (Schmidt, 1875) (additional source)
Hymedesmia curvichela Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) curvichela Lundbeck, 1910 (original description)
Hymedesmia digitata Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) digitata Lundbeck, 1910 (original description)
Hymedesmia dujardinii (Bowerbank, 1866) accepted as Hymedesmia (Stylopus) coriacea (Fristedt, 1885) (basis of record)
Hymedesmia koehleri (Topsent, 1896) represented as Hymedesmia (Hymedesmia) koehleri (Topsent, 1896) (additional source)
Hymedesmia laevistylus Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) laevistylus Lundbeck, 1910 (original description)
Hymedesmia longistylus Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) longistylus Lundbeck, 1910 (original description)
Hymedesmia mollis Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) mollis Lundbeck, 1910 (original description)
Hymedesmia nummulus Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) nummulus Lundbeck, 1910 (original description)
Hymedesmia occulta Bowerbank in Norman, 1869 represented as Hymedesmia (Hymedesmia) occulta Bowerbank in Norman, 1869 (basis of record)
Hymedesmia primitiva Lundbeck, 1910 represented as Hymedesmia (Stylopus) primitiva Lundbeck, 1910 (original description)
Hymedesmia procumbens Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) procumbens Lundbeck, 1910 (original description)
Hymedesmia similis Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) similis Lundbeck, 1910 (original description)
Hymedesmia tenuisigma Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) tenuisigma Lundbeck, 1910 (original description)
Hymedesmia truncata Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) truncata Lundbeck, 1910 (original description)
Hymenancora Lundbeck, 1910 (original description)
Hymenancora conjungens Lundbeck, 1910 (original description)
Hymenancora duplicata Lundbeck, 1910 (original description)
Hymenancora interjecta Lundbeck, 1910 (original description)
Hymenancora tenuisclera Lundbeck, 1910 (original description)
Inflatella pellicula Schmidt, 1875 (additional source)
Inflatella viridis (Topsent, 1890) (additional source)
Leptolabis assimilis Lundbeck, 1910 accepted as Forcepia (Leptolabis) assimilis (Lundbeck, 1910) (original description)
Tedania suctoria Schmidt, 1870 represented as Tedania (Tedania) suctoria Schmidt, 1870 (basis of record)