Convoluta Ørsted, 1843 (original description)
Derostoma unipunctatum Ørsted, 1843 accepted as Phaenocora unipunctata (Ørsted, 1843) Bendl, 1908 (original description)
Gyrator suboviformis (Ørsted, 1843) Diesing, 1850 accepted as Graffiellus croceus (Fabricius, 1826) Hornung, 2016 (original description)
Macrostoma Ørsted, 1843 accepted as Macrostomum Schmidt, 1848 (original description)
Mesostoma ehrenbergii (Focke, 1836) Örsted, 1843 (new combination reference)
Monocelis fusca Örsted, 1843 (original description)
Monocelis lineata (Müller, 1773) Oersted, 1843 (new combination reference)
Monocelis subulata (Müller, 1777) Oersted, 1843 accepted as Monocelis lineata (Müller, 1773) Oersted, 1843 (new combination reference)
Phaenocora unipunctata (Ørsted, 1843) Bendl, 1908 (original description)
Planaria affinis Ørsted, 1843 accepted as Foviella affinis (Ørsted, 1843) (original description)
Planaria appendiculata Fabricius, 1826 accepted as Macrostomum appendiculatum Fabricius, 1826 (source of synonymy)
Strongylostoma Ørsted, 1843 (original description)
Strongylostoma assimile Ørsted, 1843 accepted as Mesostomum assimile (Ørsted, 1843) Schultze, 1851 accepted as Mesostoma fusiforme (Duges, 1830) Ehrenberg, 1836 (original description)
Strongylostoma radiatum (Müller, 1773) Örsted, 1843 (new combination reference)
Telostomum mytili Ørsted, 1843 accepted as Tetracelis mytili (Ørsted, 1843) Diesing, 1850 accepted as Vortex mytili (Ørsted, 1843) Diesing, 1862 accepted as Enterostomum mytili (Ørsted, 1843) Graff, 1882 (original description)

Danish Exclusive Economic Zone for Telostomum mytili Ørsted, 1843 
Denmark for Fovia affinis (Ørsted, 1843) 
Norway for Convoluta paradoxa Ørsted, 1843