Desmacidon anceps Schmidt, 1874 (basis of record)
Desmacidon filiferum Schmidt, 1875 accepted as Hymedesmia (Hymedesmia) filifera (Schmidt, 1875) (redescription)
Esperia anceps Schmidt, 1873 accepted as Iophon pommeraniae Thiele, 1903 (basis of record)
Grayella polymastia Thiele, 1903 accepted as Crella (Grayella) polymastia (Thiele, 1903) (original description)
Hamigera (Forcipina) Vosmaer, 1885 accepted as Forcepia (Forcepia) Carter, 1874 (source of synonymy)
Hamigera (Forcipina) fabricans (Schmidt, 1874) accepted as Forcepia (Forcepia) fabricans (Schmidt, 1874) (new combination reference)
Histoderma physa (Schmidt, 1875) accepted as Coelosphaera (Coelosphaera) physa (Schmidt, 1875) (new combination reference)
Hymedesmia (Hymedesmia) norvegica Thiele, 1903 (original description)
Hymedesmia filifera (Schmidt, 1875) represented as Hymedesmia (Hymedesmia) filifera (Schmidt, 1875) (source of synonymy)
Hymedesmia norvegica Thiele, 1903 represented as Hymedesmia (Hymedesmia) norvegica Thiele, 1903 (original description)
Hymeraphia plicata Schmidt, 1873 accepted as Eurypon clavatum (Bowerbank, 1866) (basis of record)
Iophon pommeraniae Thiele, 1903 (original description)
Microciona dianae (Schmidt, 1875) accepted as Clathria (Microciona) dianae (Schmidt, 1875) (new combination reference)
Mycale intermedia (Schmidt, 1874) represented as Mycale (Oxymycale) intermedia (Schmidt, 1874) (new combination reference)
Plumohalichondria neptuni (Schmidt, 1875) accepted as Phorbas perarmatus (Bowerbank, 1866) (new combination reference)
Raspailia moebii Schmidt, 1875 accepted as Antho (Antho) dichotoma (Linnaeus, 1767) (additional source)
Rhaphidotheca rhopalophora (Schmidt, 1875) accepted as Mycale (Rhaphidotheca) marshallhalli (Kent, 1870) (basis of record)

East Greenland Shelf for Grayella polymastia Thiele, 1903 
North Sea for Hymedesmia norvegica Thiele, 1903 
Norwegian Exclusive Economic Zone for Hymedesmia norvegica Thiele, 1903 
Southern Norway for Iophon pommeraniae Thiele, 1903 

 Type locality

 for Hymedesmia norvegica Thiele, 1903

Norway, probably Arendal, based on Scnmidt's (1873) (p. 148) first mention of Esperia anceps, which was ... [details]