Amorphina fasciculata Fristedt, 1887 accepted as Hymeniacidon fasciculata (Fristedt, 1887) (original description)
Amorphina grisea Fristedt, 1887 accepted as Halichondria (Halichondria) panicea (Pallas, 1766) (original description)
Amorphina nodosa Fristedt, 1887 accepted as Halichondria (Eumastia) sitiens (Schmidt, 1870) (original description)
Amorphina renieroides Fristedt, 1887 accepted as Halichondria (Halichondria) renieroides (Fristedt, 1887) (original description)
Artemisina suberitoides Vosmaer, 1885 accepted as Artemisina arcigera (Schmidt, 1870) (additional source)
Axinella rugosa (Bowerbank, 1866) accepted as Phakellia rugosa (Bowerbank, 1866) (additional source)
Chalina arbuscula Verrill, 1873 accepted as Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Chalina groenlandica Fristedt, 1887 accepted as Haliclona groenlandica (Fristedt, 1887) (original description)
Chalina vega Fristedt, 1887 accepted as Haliclona vega (Fristedt, 1887) (original description)
Cladorhiza abyssicola Sars, 1872 (additional source)
Cladorhiza nobilis Fristedt, 1887 accepted as Chondrocladia (Chondrocladia) grandis (Verrill, 1879) (original description)
Cladorhiza nordenskioeldii Fristedt, 1887 accepted as Asbestopluma (Asbestopluma) pennatula (Schmidt, 1875) (original description)
Clathria corallorhizoides Fristedt, 1887 accepted as Lissodendoryx (Lissodendoryx) complicata (Hansen, 1885) (original description)
Cornulum ascidioides Fristedt, 1887 accepted as Coelosphaera (Coelosphaera) physa (Schmidt, 1875) (original description)
Cornulum enteromorphoides Fristedt, 1887 accepted as Myxilla (Myxilla) fimbriata (Bowerbank, 1866) (original description)
Cornulum textile Carter, 1876 (additional source)
Cribrochalina variabilis Vosmaer, 1882 accepted as Semisuberites cribrosa (Miklucho-Maclay, 1870) (additional source)
Desmacella peachii var. groenlandica Fristedt, 1887 accepted as Biemna variantia (Bowerbank, 1858) (original description)
Desmacella porosa Fristedt, 1887 accepted as Haliclona (Flagellia) porosa (Fristedt, 1887) (original description)
Desmacella rosea Fristedt, 1887 accepted as Desmacella infundibuliformis (Vosmaer, 1885) (original description)
Esperia helios Fristedt, 1887 accepted as Mycale (Carmia) helios (Fristedt, 1887) (original description)
Esperia sophia Fristedt, 1887 accepted as Lissodendoryx (Lissodendoryx) sophia (Fristedt, 1887) (original description)
Esperia villosa Carter, 1874 accepted as Esperiopsis villosa (Carter, 1874) (additional source)
Eumastia sitiens Schmidt, 1870 accepted as Halichondria (Eumastia) sitiens (Schmidt, 1870) (additional source)
Forcepia groenlandica Fristedt, 1887 represented as Forcepia (Forcepia) groenlandica Fristedt, 1887 (original description)
Geodia barretti Bowerbank, 1858 (additional source)
Halichondria grisea (Fristedt, 1887) represented as Halichondria (Halichondria) panicea (Pallas, 1766) (original description)
Halisarca dujardinii Johnston, 1842 (additional source)
Hastatus foliatus Fristedt, 1887 accepted as Lissodendoryx (Ectyodoryx) foliata (Fristedt, 1887) (original description)
Hastatus indistinctus Fristedt, 1887 accepted as Lissodendoryx (Lissodendoryx) indistincta (Fristedt, 1887) (original description)
Hymeraphia spitzbergensis Fristedt, 1887 accepted as Eurypon spitzbergense (Fristedt, 1887) (original description)
Hymeraphia verticillata Bowerbank, 1866 accepted as Halicnemia verticillata (Bowerbank, 1866) (additional source)
Melonanchora elliptica Carter, 1874 (additional source)
Myxilla septentrionalis Fristedt, 1887 represented as Myxilla (Myxilla) septentrionalis Fristedt, 1887 (original description)
Polymastia paupera Fristedt, 1887 (original description)
Reniera arctica Fristedt, 1887 accepted as Haliclona arctica (Fristedt, 1887) (original description)
Suberites montalbidus Carter, 1880 (additional source)
Suberites spermatozoon (Schmidt, 1875) (additional source)
Sycandra utriculus (Schmidt, 1869) (additional source)
Tethya cranium (Müller, 1776) accepted as Craniella cranium (Müller, 1776) (additional source)
Tethya sibirica Fristedt, 1887 accepted as Tetilla sibirica (Fristedt, 1887) (original description)