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)
Grayella albula (Bowerbank, 1866) accepted as Crella (Yvesia) albula (Bowerbank, 1866) (new combination reference)
Grayella carnosa (Topsent, 1904) accepted as Crella (Grayella) carnosa (Topsent, 1904) (new combination reference)
Grayella gelida Lundbeck, 1910 accepted as Crella (Yvesia) gelida (Lundbeck, 1910) (original description)
Grayella pyrula (Carter, 1876) accepted as Crella (Yvesia) pyrula (Carter, 1876) (new combination reference)
Histoderma appendiculatum Carter, 1874 accepted as Coelosphaera (Coelosphaera) tubifex Thomson, 1873 (basis of record)
Histoderma physa (Schmidt, 1875) accepted as Coelosphaera (Coelosphaera) physa (Schmidt, 1875) (additional source)
Histodermella Lundbeck, 1910 (original description)
Histodermella coriacea Lundbeck, 1910 accepted as Zyzzya coriacea (Lundbeck, 1910) (original description)
Histodermella ingolfi Lundbeck, 1910 (original description)
Hymedesmia (Hymedesmia) laevistylus Lundbeck, 1910 (original description)
Hymedesmia acerata (Topsent, 1904) represented as Hymedesmia (Stylopus) acerata (Topsent, 1904) (source of synonymy)
Hymedesmia aenigma Lundbeck, 1910 accepted as Acanthancora aenigma (Lundbeck, 1910) (original description)
Hymedesmia aequata Lundbeck, 1910 represented as Hymedesmia (Stylopus) aequata Lundbeck, 1910 (original description)
Hymedesmia baculifera (Topsent, 1901) represented as Hymedesmia (Hymedesmia) baculifera (Topsent, 1901) (additional source)
Hymedesmia basispinosa Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) basispinosa Lundbeck, 1910 (original description)
Hymedesmia bowerbanki Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) bowerbanki Lundbeck, 1910 (original description)
Hymedesmia bractea Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) bractea Lundbeck, 1910 (original description)
Hymedesmia clavigera Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) clavigera Lundbeck, 1910 (original description)
Hymedesmia consanguinea Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) consanguinea Lundbeck, 1910 (original description)
Hymedesmia crux (Schmidt, 1875) represented as Hymedesmia (Hymedesmia) crux (Schmidt, 1875) (additional source)
Hymedesmia cultrisigma Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) cultrisigma Lundbeck, 1910 (original description)
Hymedesmia curvichela Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) curvichela Lundbeck, 1910 (original description)
Hymedesmia dermata Lundbeck, 1910 represented as Hymedesmia (Stylopus) dermata Lundbeck, 1910 (original description)
Hymedesmia digitata Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) digitata Lundbeck, 1910 (original description)
Hymedesmia dubia Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) dubia Lundbeck, 1910 (original description)
Hymedesmia dujardinii (Bowerbank, 1866) accepted as Hymedesmia (Stylopus) coriacea (Fristedt, 1885) (basis of record)
Hymedesmia filifera (Schmidt, 1875) represented as Hymedesmia (Hymedesmia) filifera (Schmidt, 1875) (additional source)
Hymedesmia grandis Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) grandis Lundbeck, 1910 (original description)
Hymedesmia irregularis Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) irregularis Lundbeck, 1910 (original description)
Hymedesmia koehleri (Topsent, 1896) represented as Hymedesmia (Hymedesmia) koehleri (Topsent, 1896) (additional source)
Hymedesmia lacera Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) lacera Lundbeck, 1910 (original description)
Hymedesmia laevistylus Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) laevistylus Lundbeck, 1910 (original description)
Hymedesmia lamina Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) lamina Lundbeck, 1910 (original description)
Hymedesmia latrunculioides Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) latrunculioides Lundbeck, 1910 (original description)
Hymedesmia levis Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) levis Lundbeck, 1910 (original description)
Hymedesmia longistylus Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) longistylus Lundbeck, 1910 (original description)
Hymedesmia longurius Lundbeck, 1910 represented as Hymedesmia (Stylopus) longurius Lundbeck, 1910 (original description)
Hymedesmia macrosigma Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) macrosigma Lundbeck, 1910 (original description)
Hymedesmia mollis Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) mollis Lundbeck, 1910 (original description)
Hymedesmia mucronata (Topsent, 1904) represented as Hymedesmia (Hymedesmia) mucronata (Topsent, 1904) (basis of record)
Hymedesmia mucronella Lundbeck, 1910 represented as Hymedesmia (Stylopus) mucronella 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 perforata Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) perforata Lundbeck, 1910 (original description)
Hymedesmia planca Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) planca Lundbeck, 1910 (original description)
Hymedesmia platychela Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) platychela Lundbeck, 1910 (original description)
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 proxima Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) proxima Lundbeck, 1910 (original description)
Hymedesmia pugio Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) pugio Lundbeck, 1910 (original description)
Hymedesmia pustula (Fristedt, 1887) accepted as Forcepia (Leptolabis) pustula (Fristedt, 1887) (basis of record)
Hymedesmia rugosa Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) rugosa Lundbeck, 1910 (original description)
Hymedesmia similis Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) similis Lundbeck, 1910 (original description)
Hymedesmia simillima Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) simillima Lundbeck, 1910 (original description)
Hymedesmia splenium Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) splenium Lundbeck, 1910 (original description)
Hymedesmia storea Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) storea Lundbeck, 1910 (original description)
Hymedesmia stylata Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) stylata Lundbeck, 1910 (original description)
Hymedesmia tenuicula Lundbeck, 1910 accepted as Hymedesmia (Hymedesmia) williami Van Soest & Hooper, 2020 (original description)
Hymedesmia tenuisigma Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) tenuisigma Lundbeck, 1910 (original description)
Hymedesmia tornotata Lundbeck, 1910 represented as Hymedesmia (Stylopus) tornotata Lundbeck, 1910 (original description)
Hymedesmia trichoma Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) trichoma Lundbeck, 1910 (original description)
Hymedesmia truncata Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) truncata Lundbeck, 1910 (original description)
Hymedesmia verrucosa Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) verrucosa 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)

Arctic Lower Bathyal Province for Hymedesmia consanguinea Lundbeck, 1910 
Arctic Lower Bathyal Province for Hymedesmia lacera Lundbeck, 1910 
Arctic Lower Bathyal Province for Hymedesmia mucronella Lundbeck, 1910 
Arctic Lower Bathyal Province for Hymedesmia splenium Lundbeck, 1910 
Arctic Lower Bathyal Province for Hymedesmia storea Lundbeck, 1910 
Arctic Lower Bathyal Province for Hymedesmia stylata Lundbeck, 1910 
East Greenland Shelf for Cornulum textile Carter, 1876 
East Greenland Shelf for Grayella pyrula (Carter, 1876) 
East Greenland Shelf for Histoderma physa (Schmidt, 1875) 
East Greenland Shelf for Hymedesmia baculifera (Topsent, 1901) 
East Greenland Shelf for Hymedesmia lacera Lundbeck, 1910 
East Greenland Shelf for Hymedesmia mollis Lundbeck, 1910 
East Greenland Shelf for Hymedesmia similis Lundbeck, 1910 
East Greenland Shelf for Hymedesmia truncata Lundbeck, 1910 
East Greenland Shelf for Inflatella pellicula Schmidt, 1875 
East Greenland Shelf for Inflatella viridis (Topsent, 1890) 
Faroe Islands for Cornulum textile Carter, 1876 
Faroe Islands for Hymedesmia dujardinii (Bowerbank, 1866) 
Faroe Plateau for Cornulum textile Carter, 1876 
Faroe Plateau for Histoderma appendiculatum Carter, 1874 
Faroe Plateau for Histoderma physa (Schmidt, 1875) 
Faroe Plateau for Hymedesmia baculifera (Topsent, 1901) 
Faroe Plateau for Hymedesmia dermata Lundbeck, 1910 
Faroe Plateau for Hymedesmia dubia Lundbeck, 1910 
Faroe Plateau for Hymedesmia filifera (Schmidt, 1875) 
Faroe Plateau for Hymedesmia filifera (Schmidt, 1875) 
Faroe Plateau for Hymedesmia irregularis Lundbeck, 1910 
Faroe Plateau for Hymedesmia lamina Lundbeck, 1910 
Faroe Plateau for Hymedesmia levis Lundbeck, 1910 
Faroe Plateau for Hymedesmia mollis Lundbeck, 1910 
Faroe Plateau for Hymedesmia occulta Bowerbank in Norman, 1869 
Faroe Plateau for Hymedesmia similis Lundbeck, 1910 
Faroe Plateau for Hymedesmia storea Lundbeck, 1910 
Faroe Plateau for Hymedesmia tenuicula Lundbeck, 1910 
Faroe Plateau for Hymenancora tenuisclera Lundbeck, 1910 
Faroe Plateau for Leptolabis assimilis Lundbeck, 1910 
Faroe Plateau for Tedania suctoria Schmidt, 1870 
North and East Iceland for Grayella gelida Lundbeck, 1910 
North and East Iceland for Hymedesmia consanguinea Lundbeck, 1910 
North and East Iceland for Hymedesmia lacera Lundbeck, 1910 
North and East Iceland for Hymedesmia splenium Lundbeck, 1910 
North and East Iceland for Hymedesmia storea Lundbeck, 1910 
North and East Iceland for Hymedesmia stylata Lundbeck, 1910 
North and East Iceland for Tedania suctoria Schmidt, 1870 
North Atlantic Lower Bathyal Province for Histodermella coriacea Lundbeck, 1910 
North Atlantic Lower Bathyal Province for Hymedesmia cultrisigma Lundbeck, 1910 
North Atlantic Lower Bathyal Province for Hymedesmia grandis Lundbeck, 1910 
North Atlantic Lower Bathyal Province for Hymedesmia tornotata Lundbeck, 1910 
North Sea for Cornulum textile Carter, 1876 
Northern Atlantic Boreal Lower Bathyal Province for Grayella pyrula (Carter, 1876) 
Northern Atlantic Boreal Lower Bathyal Province for Histoderma appendiculatum Carter, 1874 
Northern Atlantic Boreal Lower Bathyal Province for Histoderma physa (Schmidt, 1875) 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia baculifera (Topsent, 1901) 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia consanguinea Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia crux (Schmidt, 1875) 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia dujardinii (Bowerbank, 1866) 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia filifera (Schmidt, 1875) 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia irregularis Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia koehleri (Topsent, 1896) 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia lamina Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia levis Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia longistylus Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia macrosigma Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia mollis Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia mucronata (Topsent, 1904) 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia occulta Bowerbank in Norman, 1869 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia planca Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia procumbens Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia similis Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia similis Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia simillima Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymedesmia verrucosa Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Hymenancora interjecta Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Inflatella pellicula Schmidt, 1875 
Northern Atlantic Boreal Lower Bathyal Province for Inflatella pellicula Schmidt, 1875 
Northern Atlantic Boreal Lower Bathyal Province for Inflatella viridis (Topsent, 1890) 
Northern Atlantic Boreal Lower Bathyal Province for Leptolabis assimilis Lundbeck, 1910 
Northern Atlantic Boreal Lower Bathyal Province for Tedania suctoria Schmidt, 1870 
South and West Iceland for Cornulum textile Carter, 1876 
South and West Iceland for Grayella carnosa (Topsent, 1904) 
South and West Iceland for Grayella pyrula (Carter, 1876) 
South and West Iceland for Histoderma physa (Schmidt, 1875) 
South and West Iceland for Histoderma physa (Schmidt, 1875) 
South and West Iceland for Hymedesmia aenigma Lundbeck, 1910 
South and West Iceland for Hymedesmia bowerbanki Lundbeck, 1910 
South and West Iceland for Hymedesmia bractea Lundbeck, 1910 
South and West Iceland for Hymedesmia clavigera Lundbeck, 1910 
South and West Iceland for Hymedesmia crux (Schmidt, 1875) 
South and West Iceland for Hymedesmia curvichela Lundbeck, 1910 
South and West Iceland for Hymedesmia digitata Lundbeck, 1910 
South and West Iceland for Hymedesmia dujardinii (Bowerbank, 1866) 
South and West Iceland for Hymedesmia filifera (Schmidt, 1875) 
South and West Iceland for Hymedesmia grandis Lundbeck, 1910 
South and West Iceland for Hymedesmia irregularis Lundbeck, 1910 
South and West Iceland for Hymedesmia koehleri (Topsent, 1896) 
South and West Iceland for Hymedesmia laevistylus Lundbeck, 1910 
South and West Iceland for Hymedesmia latrunculioides Lundbeck, 1910 
South and West Iceland for Hymedesmia levis Lundbeck, 1910 
South and West Iceland for Hymedesmia longistylus Lundbeck, 1910 
South and West Iceland for Hymedesmia longurius Lundbeck, 1910