Acmostomum sarsii (Jensen, 1878) accepted as Acmostomum dioicum Metschnikoff, 1865 (original description)
Aphanostoma elegans Jensen, 1878 (original description)
Archiloa spinosa (Jensen, 1878) Maristo, 1938 accepted as Archilopsis spinosa (Jensen, 1878) Martens, Curini-Galletti & Puccinelli, 1989 (original description)
Byrsophlebs Jensen, 1878 (original description)
Byrsophlebs graffi Jensen, 1878 (original description)
Convoluta flavibacillum Jensen, 1878 accepted as Conaperta flavibacillum (Jensen, 1878) (original description)
Cylindrostoma assimile (Fabricius, 1826) Jensen, 1878 accepted as Provortex affinis (Jensen, 1878) Graff, 1882 (new combination reference)
Cylindrostoma longifilum Jensen, 1878 accepted as Pseudostomum quadrioculatum (Leuckart, 1847) (original description)
Enterostomum flavibacillum Jensen, 1878 accepted as Allostoma flavibacillum Jensen, 1878 (original description)
Gyrator banaticus (Graff, 1875) Jensen, 1878 accepted as Gyratrix hermaphroditus Ehrenberg, 1831 (new combination reference)
Gyrator danielsseni Jensen, 1878 accepted as Phonorhynchus helgolandicus (Mecznikow, 1865) Graff, 1905 (original description)
Gyrator fabricii Jensen, 1878 accepted as Graffiellus croceus (Fabricius, 1826) Hornung, 2016 (original description)
Gyrator helgolandicus (Mecznikow, 1865) Jensen, 1878 accepted as Phonorhynchus helgolandicus (Mecznikow, 1865) Graff, 1905 (new combination reference)
Gyrator schmidtii Jensen, 1878 accepted as Mesostomum bifidum McIntosh, 1874 accepted as Pseudorhynchus bifidus (McIntosh, 1874) Graff, 1882 accepted as Astrotorhynchus bifidus (McIntosh, 1874) Graff, 1905 (original description)
Hallezia sarsi (Jensen, 1878) accepted as Acmostomum dioicum Metschnikoff, 1865 (original description)
Kylosphaera Jensen, 1878 accepted as Trigonostomum Schmidt, 1852 (original description)
Kylosphaera armata Jensen, 1878 accepted as Hyporhynchus armatus (Jensen, 1878) Graff, 1882 accepted as Trigonostomum armatum (Jensen, 1878) Graff, 1905 (original description)
Mecynostomum agile Jensen, 1878 accepted as Archaphanostoma agile (Jensen, 1878) accepted as Baltalimania agile (Jensen, 1878) (original description)
Monocelis assimilis Jensen, 1878 accepted as Monocelis fusca Örsted, 1843 (original description)
Monocelis hamata Jensen, 1878 accepted as Paramonotus hamatus (Jensen, 1878) Meixner, 1938 (original description)
Monocelis ophiocephala Schmidt, 1861 accepted as Pseudomonocelis ophiocephala (Schmidt, 1861) Meixner, 1943 (additional source)
Monocelis spinosa Jensen, 1878 accepted as Archilopsis spinosa (Jensen, 1878) Martens, Curini-Galletti & Puccinelli, 1989 (original description)
Plagiostomum koreni Jensen, 1878 (original description)
Plagiostomum vittatum (Frey & Leuckart, 1847) Jenssen, 1878 (new combination reference)
Planaria emarginata Fabricius, 1826 accepted as Vortex cavifrons Jensen, 1878 accepted as Provortex balticus (Schultze, 1851) Graff, 1882 (source of synonymy)
Proxenetes Jensen, 1878 (original description)
Vortex affinis Jensen, 1878 accepted as Provortex affinis (Jensen, 1878) Graff, 1882 (original description)
Vortex angulatus Jensen, 1878 accepted as Jensenia angulata (Jensen, 1878) Graff, 1882 (original description)
Vortex balticus Schultze, 1851 accepted as Provortex balticus (Schultze, 1851) Graff, 1882 (additional source)
Vortex cavifrons Jensen, 1878 accepted as Provortex balticus (Schultze, 1851) Graff, 1882 (original description)

Iceland for Archaphanostoma agile (Jensen, 1878) 
Norway for Acmostomum sarsii (Jensen, 1878) 
Norway for Acmostomum sarsii (Jensen, 1878) 
Norway for Acmostomum sarsii (Jensen, 1878) 
Norway for Aphanostoma diversicolor Ørsted, 1845 
Norway for Convoluta paradoxa Ørsted, 1843 
Norway for Cylindrostoma longifilum Jensen, 1878 
Norway for Enterostomum flavibacillum Jensen, 1878 
Norway for Enterostomum flavibacillum Jensen, 1878 
Norway for Fovia affinis (Ørsted, 1843) 
Norway for Hallezia sarsi (Jensen, 1878) 
Norway for Hallezia sarsi (Jensen, 1878) 
Norway for Mecynostomum agile Jensen, 1878 
Norway for Procerodes ulvae (Ørsted, 1843) 
Norway for Proxenetes (Proxenetes) flabellifer Jensen, 1878 
Norway for Proxenetes (Proxenetes) flabellifer Jensen, 1878 
Norway for Proxenetes (Proxenetes) flabellifer Jensen, 1878 
Norway for Vortex affinis Jensen, 1878 
Norway for Vortex angulatus Jensen, 1878 
Norway for Vortex angulatus Jensen, 1878 
Norway for Vortex cavifrons Jensen, 1878 
Norwegian Exclusive Economic Zone for Aphanostoma elegans Jensen, 1878 
Norwegian Exclusive Economic Zone for Aphanostoma elegans Jensen, 1878 
Norwegian Exclusive Economic Zone for Aphanostoma rhomboides Jensen, 1878 
Norwegian Exclusive Economic Zone for Aphanostoma virescens Ørsted, 1845 
Norwegian Exclusive Economic Zone for Aphanostoma virescens Ørsted, 1845 
Norwegian Exclusive Economic Zone for Archaphanostoma agile (Jensen, 1878) 
Norwegian Exclusive Economic Zone for Archaphanostoma agile (Jensen, 1878) 
Norwegian Exclusive Economic Zone for Archaphanostoma agile (Jensen, 1878) 
Norwegian Exclusive Economic Zone for Byrsophlebs graffi Jensen, 1878 
Norwegian Exclusive Economic Zone for Byrsophlebs graffi Jensen, 1878 
Norwegian Exclusive Economic Zone for Convoluta flavibacillum Jensen, 1878 
Norwegian Exclusive Economic Zone for Convoluta flavibacillum Jensen, 1878 
Norwegian Exclusive Economic Zone for Gyrator caledonicus (Claperede, 1861) Diesing, 1862 
Norwegian Exclusive Economic Zone for Gyrator danielsseni Jensen, 1878 
Norwegian Exclusive Economic Zone for Gyrator danielsseni Jensen, 1878 
Norwegian Exclusive Economic Zone for Gyrator danielsseni Jensen, 1878 
Norwegian Exclusive Economic Zone for Gyrator fabricii Jensen, 1878 
Norwegian Exclusive Economic Zone for Gyrator fabricii Jensen, 1878 
Norwegian Exclusive Economic Zone for Gyrator fabricii Jensen, 1878 
Norwegian Exclusive Economic Zone for Gyrator schmidtii Jensen, 1878 
Norwegian Exclusive Economic Zone for Gyrator steenstrupii (Schmidt, 1852) Diesing, 1862 
Norwegian Exclusive Economic Zone for Gyrator steenstrupii (Schmidt, 1852) Diesing, 1862 
Norwegian Exclusive Economic Zone for Gyrator steenstrupii (Schmidt, 1852) Diesing, 1862 
Norwegian Exclusive Economic Zone for Kylosphaera armata Jensen, 1878 
Norwegian Exclusive Economic Zone for Mesostomum marmoratum Schultze, 1851 
Norwegian Exclusive Economic Zone for Mesostomum marmoratum Schultze, 1851 
Norwegian Exclusive Economic Zone for Mesostomum marmoratum Schultze, 1851 
Norwegian Exclusive Economic Zone for Monocelis assimilis Jensen, 1878 
Norwegian Exclusive Economic Zone for Monocelis hamata Jensen, 1878 
Norwegian Exclusive Economic Zone for Monocelis hamata Jensen, 1878 
Norwegian Exclusive Economic Zone for Monocelis hamata Jensen, 1878 
Norwegian Exclusive Economic Zone for Monocelis spinosa Jensen, 1878 
Norwegian Exclusive Economic Zone for Monocelis spinosa Jensen, 1878 
Norwegian Exclusive Economic Zone for Plagiostomum koreni Jensen, 1878 
Norwegian Exclusive Economic Zone for Plagiostomum koreni Jensen, 1878 
Norwegian Exclusive Economic Zone for Plagiostomum koreni Jensen, 1878 
Norwegian Exclusive Economic Zone for Plagiostomum vittatum (Frey & Leuckart, 1847) Jenssen, 1878 
Norwegian Exclusive Economic Zone for Procerodes littoralis (Strøm, 1768) 
Norwegian Exclusive Economic Zone for Provortex balticus (Schultze, 1851) Graff, 1882