Biemma annexa (Schmidt, 1870) accepted as Desmacella annexa Schmidt, 1870 (new combination reference)
Biemma rosea (Fristedt, 1887) accepted as Desmacella infundibuliformis (Vosmaer, 1885) (new combination reference)
Biemna rosea (Fristedt, 1887) accepted as Desmacella infundibuliformis (Vosmaer, 1885) (additional source)
Chalina groenlandica Fristedt, 1887 accepted as Haliclona groenlandica (Fristedt, 1887) (additional source)
Chalina oculata (Linnaeus, 1759) accepted as Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Chalina spatula Lundbeck, 1902 accepted as Cladocroce spatula (Lundbeck, 1902) (original description)
Desmacella capillifera (Levinsen, 1887) accepted as Biemna variantia (Bowerbank, 1858) (new combination reference)
Desmacella groenlandica Fristedt, 1887 accepted as Biemna variantia (Bowerbank, 1858) (new combination reference)
Desmacella hamifera Lundbeck, 1902 accepted as Biemna variantia (Bowerbank, 1858) (original description)
Desmacella peachii (Bowerbank, 1866) accepted as Biemna variantia (Bowerbank, 1858) (additional source)
Eumastia sitiens Schmidt, 1870 accepted as Halichondria (Eumastia) sitiens (Schmidt, 1870) (basis of record)
Gelliodes consimilis Lundbeck, 1902 accepted as Hemigellius arcofer (Vosmaer, 1885) (original description)
Gelliodes plexa Lundbeck, 1902 accepted as Hemigellius arcofer (Vosmaer, 1885) (original description)
Gellius angulatus (Bowerbank, 1866) accepted as Haliclona (Gellius) angulata (Bowerbank, 1866) (additional source)
Gellius arcoferus Vosmaer, 1885 accepted as Hemigellius arcofer (Vosmaer, 1885) (additional source)
Gellius flagellifer Ridley & Dendy, 1886 accepted as Haliclona (Flagellia) flagellifera (Ridley & Dendy, 1886) (additional source)
Gellius luridus Lundbeck, 1902 accepted as Gelliodes luridus (Lundbeck, 1902) (original description)
Gellius microtoxa Lundbeck, 1902 accepted as Haliclona (Gellius) microtoxa (Lundbeck, 1902) (original description)
Gellius porosus (Fristedt, 1887) accepted as Haliclona (Flagellia) porosa (Fristedt, 1887) (new combination reference)
Gellius primitivus Lundbeck, 1902 accepted as Haliclona (Gellius) primitiva (Lundbeck, 1902) (original description)
Gellius proximus Lundbeck, 1902 represented as Haliclona (Gellius) proxima (Lundbeck, 1902) (original description)
Halichondria colossea Lundbeck, 1902 represented as Halichondria (Halichondria) colossea Lundbeck, 1902 (original description)
Halichondria difficilis Lundbeck, 1902 represented as Spongosorites difficilis (Lundbeck, 1902) (original description)
Halichondria fibrosa (Fristedt, 1887) represented as Topsentia fibrosa (Fristedt, 1887) (additional source)
Halichondria genitrix (Schmidt, 1870) represented as Halichondria (Halichondria) genitrix (Schmidt, 1870) (basis of record)
Halichondria oblonga (Hansen, 1885) represented as Halichondria (Halichondria) oblonga (Hansen, 1885) (additional source)
Halichondria osculum Lundbeck, 1902 represented as Halichondria (Halichondria) osculum Lundbeck, 1902 (original description)
Halichondria panicea (Pallas, 1766) represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Halichondria tenuiderma Lundbeck, 1902 accepted as Haliclona tenuiderma (Lundbeck, 1902) (original description)
Halichondria velamentosa (Hansen, 1885) accepted as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Hamacantha bowerbanki Lundbeck, 1902 represented as Hamacantha (Vomerula) bowerbanki Lundbeck, 1902 (original description)
Hamacantha implicans Lundbeck, 1902 accepted as Hamacantha (Vomerula) papillata Vosmaer, 1885 (original description)
Metschnikowia spinispiculum (Carter, 1876) accepted as Janulum spinispiculum (Carter, 1876) (new combination reference)
Oceanapia robusta (Bowerbank, 1866) (basis of record)
Pachychalina caulifera Vosmaer, 1882 accepted as Isodictya palmata (Ellis & Solander, 1786) (basis of record)
Pachychalina schmidti Lundbeck, 1902 (original description)
Petrosia crassa (Carter, 1876) represented as Petrosia (Petrosia) crassa (Carter, 1876) (additional source)
Phloeodictyon elongatum (Topsent, 1892) accepted as Oceanapia elongata (Topsent, 1892) (additional source)
Phloeodictyon irregulare Lundbeck, 1902 accepted as Oceanapia irregularis (Lundbeck, 1902) (original description)
Phloeodictyon tuber Lundbeck, 1902 accepted as Oceanapia tuber (Lundbeck, 1902) (original description)
Reniera calamus Lundbeck, 1902 accepted as Haliclona calamus (Lundbeck, 1902) (original description)
Reniera cinerea (Grant, 1826) accepted as Haliclona (Reniera) cinerea (Grant, 1826) (additional source)
Reniera clavata Levinsen, 1887 accepted as Haliclona (Haliclona) urceolus (Rathke & Vahl, 1806) (additional source)
Reniera folium Lundbeck, 1902 accepted as Haliclona willlundbecki Van Soest & Hooper, 2020 (original description)
Reniera heterofibrosa Lundbeck, 1902 accepted as Haliclona (Rhizoniera) rosea (Bowerbank, 1866) (original description)
Reniera hyalina Lundbeck, 1902 accepted as Cladocroce hyalina (Lundbeck, 1902) (original description)
Reniera laxa Lundbeck, 1902 accepted as Haliclona (Rhizoniera) rosea (Bowerbank, 1866) (original description)
Reniera parenchyma Lundbeck, 1902 accepted as Cladocroce parenchyma (Lundbeck, 1902) (original description)
Reniera tubulosa Fristedt, 1887 accepted as Haliclona (Rhizoniera) rosea (Bowerbank, 1866) (basis of record)
Reniera urceolus (Rathke & Vahl, 1806) accepted as Haliclona (Haliclona) urceolus (Rathke & Vahl, 1806) (new combination reference)
Reniera ventilabrum Fristedt, 1887 accepted as Cladocroce ventilabrum (Fristedt, 1887) (additional source)
Reniera voeringii Lundbeck, 1902 accepted as Haliclona voeringi (Lundbeck, 1902) (original description)
Siphonochalina mollicula Lundbeck, 1902 accepted as Haliclona mollicula (Lundbeck, 1902) (original description)
Siphonochalina pulcherrima (Fristedt, 1885) accepted as Haliclona (Haliclona) urceolus (Rathke & Vahl, 1806) (new combination reference)

Arctic Lower Bathyal Province for Gelliodes consimilis Lundbeck, 1902 
Arctic Lower Bathyal Province for Reniera hyalina Lundbeck, 1902 
East Greenland Shelf for Biemma rosea (Fristedt, 1887) 
East Greenland Shelf for Desmacella capillifera (Levinsen, 1887) 
East Greenland Shelf for Desmacella peachii (Bowerbank, 1866) 
East Greenland Shelf for Gelliodes plexa Lundbeck, 1902 
East Greenland Shelf for Gellius arcoferus Vosmaer, 1885 
East Greenland Shelf for Halichondria oblonga (Hansen, 1885) 
East Greenland Shelf for Halichondria velamentosa (Hansen, 1885) 
East Greenland Shelf for Hamacantha bowerbanki Lundbeck, 1902 
East Greenland Shelf for Phloeodictyon tuber Lundbeck, 1902 
East Greenland Shelf for Reniera clavata Levinsen, 1887 
East Greenland Shelf for Reniera parenchyma Lundbeck, 1902 
Faroe Islands for Halichondria panicea (Pallas, 1766) 
Faroe Plateau for Chalina oculata (Linnaeus, 1759) 
Faroe Plateau for Desmacella hamifera Lundbeck, 1902 
Faroe Plateau for Gelliodes plexa Lundbeck, 1902 
Faroe Plateau for Gellius porosus (Fristedt, 1887) 
Faroe Plateau for Halichondria oblonga (Hansen, 1885) 
Faroe Plateau for Hamacantha bowerbanki Lundbeck, 1902 
Faroe Plateau for Hamacantha implicans Lundbeck, 1902 
Faroe Plateau for Oceanapia robusta (Bowerbank, 1866) 
Faroe Plateau for Pachychalina caulifera Vosmaer, 1882 
Faroe Plateau for Petrosia crassa (Carter, 1876) 
Faroe Plateau for Reniera folium Lundbeck, 1902 
Faroe Plateau for Reniera hyalina Lundbeck, 1902 
Faroe Plateau for Reniera parenchyma Lundbeck, 1902 
Faroe Plateau for Reniera tubulosa Fristedt, 1887 
Faroe Plateau for Reniera urceolus (Rathke & Vahl, 1806) 
North and East Iceland for Eumastia sitiens Schmidt, 1870 
North and East Iceland for Gelliodes consimilis Lundbeck, 1902 
North and East Iceland for Halichondria velamentosa (Hansen, 1885) 
North and East Iceland for Pachychalina schmidti Lundbeck, 1902 
North and East Iceland for Reniera heterofibrosa Lundbeck, 1902 
North and East Iceland for Reniera urceolus (Rathke & Vahl, 1806) 
North and East Iceland for Reniera voeringii Lundbeck, 1902 
North Atlantic Lower Bathyal Province for Gellius microtoxa Lundbeck, 1902 
North Atlantic Lower Bathyal Province for Phloeodictyon elongatum (Topsent, 1892) 
North Atlantic Lower Bathyal Province for Phloeodictyon tuber Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Biemma annexa (Schmidt, 1870) 
Northern Atlantic Boreal Lower Bathyal Province for Biemma rosea (Fristedt, 1887) 
Northern Atlantic Boreal Lower Bathyal Province for Desmacella hamifera Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Desmacella peachii (Bowerbank, 1866) 
Northern Atlantic Boreal Lower Bathyal Province for Gellius luridus Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Gellius luridus Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Halichondria (Halichondria) colossea Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Halichondria difficilis Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Hamacantha bowerbanki Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Hamacantha implicans Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Oceanapia robusta (Bowerbank, 1866) 
Northern Atlantic Boreal Lower Bathyal Province for Phloeodictyon irregulare Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Reniera calamus Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Reniera folium Lundbeck, 1902 
Northern Atlantic Boreal Lower Bathyal Province for Reniera parenchyma Lundbeck, 1902 
South and West Iceland for Biemma annexa (Schmidt, 1870) 
South and West Iceland for Biemna rosea (Fristedt, 1887) 
South and West Iceland for Biemna rosea (Fristedt, 1887) 
South and West Iceland for Desmacella peachii (Bowerbank, 1866) 
South and West Iceland for Gellius angulatus (Bowerbank, 1866)  (inaccurate)
South and West Iceland for Gellius flagellifer Ridley & Dendy, 1886  (inaccurate)
South and West Iceland for Gellius porosus (Fristedt, 1887) 
South and West Iceland for Halichondria colossea Lundbeck, 1902 
South and West Iceland for Halichondria difficilis Lundbeck, 1902 
South and West Iceland for Halichondria panicea (Pallas, 1766) 
South and West Iceland for Halichondria tenuiderma Lundbeck, 1902 
South and West Iceland for Halichondria velamentosa (Hansen, 1885) 
South and West Iceland for Hamacantha bowerbanki Lundbeck, 1902 
South and West Iceland for Hamacantha implicans Lundbeck, 1902 
South and West Iceland for Hamacantha implicans Lundbeck, 1902 
South and West Iceland for Metschnikowia spinispiculum (Carter, 1876) 
South and West Iceland for Oceanapia robusta (Bowerbank, 1866) 
South and West Iceland for Phloeodictyon irregulare Lundbeck, 1902 
South and West Iceland for Reniera calamus Lundbeck, 1902 
South and West Iceland for Reniera laxa Lundbeck, 1902 
South and West Iceland for Reniera parenchyma Lundbeck, 1902 
West Greenland Shelf for Chalina spatula Lundbeck, 1902 
West Greenland Shelf for Desmacella groenlandica Fristedt, 1887 
West Greenland Shelf for Gellius primitivus Lundbeck, 1902 
West Greenland Shelf for Gellius proximus Lundbeck, 1902 
West Greenland Shelf for Halichondria fibrosa (Fristedt, 1887) 
West Greenland Shelf for Halichondria genitrix (Schmidt, 1870) 
West Greenland Shelf for Halichondria osculum Lundbeck, 1902 
West Greenland Shelf for Halichondria velamentosa (Hansen, 1885) 
West Greenland Shelf for Halichondria velamentosa (Hansen, 1885) 
West Greenland Shelf for Hamacantha bowerbanki Lundbeck, 1902 
West Greenland Shelf for Hamacantha implicans Lundbeck, 1902 
West Greenland Shelf for Reniera cinerea (Grant, 1826) 
West Greenland Shelf for Reniera folium Lundbeck, 1902 
West Greenland Shelf for Reniera tubulosa Fristedt, 1887 
West Greenland Shelf for Reniera ventilabrum Fristedt, 1887 
West Greenland Shelf for Siphonochalina mollicula Lundbeck, 1902 
West Greenland Shelf for Siphonochalina pulcherrima (Fristedt, 1885)