Amphiporidae Örsted, 1843 (original description)
Amphiporus groenlandicus Örsted, 1843 (original description)
Astemma longum Örsted, 1843 accepted as
Cephalothrix linearis (Rathke, 1799) (original description)
Astemma rufifrons (Johnston, 1837) accepted as
Cephalothrix rufifrons (Johnston, 1837) (new combination reference)
Borlasia neesii (Örsted, 1843) accepted as
Emplectonema neesii (Örsted, 1843) accepted as
Neesia neesii (Örsted, 1843) (original description)
Cephalothrix Örsted, 1843 (original description)
Cephalothrix bioculata Örsted, 1843 accepted as
Cephalothrix linearis (Rathke, 1799) (original description)
Cephalothrix coeca Örsted, 1843 accepted as
Cephalothrix linearis (Rathke, 1799) (original description)
Neesia neesii (Örsted, 1843) (original description)
Nemertes assimilis Örsted, 1843 accepted as
Cerebratulus assimilis (Örsted, 1843) accepted as
Paradrepanophorus crassus (Quatrefages, 1846) (original description)
Nemertes bioculata Örsted, 1843 accepted as
Cephalothrix rufifrons (Johnston, 1837) (original description)
Nemertes maculata Örsted, 1843 (original description)
Nemertes pusilla Örsted, 1843 (original description)
Polystemma pellucidum Örsted, 1843 accepted as
Amphiporus pellucidus (Örsted, 1843) (original description)
Polystemma pulchrum (Johnston, 1837) accepted as
Nipponnemertes pulcher (Johnston, 1837) accepted as
Nipponnemertes pulchra (Johnston, 1837) (new combination reference)
Prostoma littorale Oersted, 1843 accepted as
Macrorhynchus croceus (Fabricius, 1826) Graff, 1882 accepted as
Graffiellus croceus (Fabricius, 1826) Hornung, 2016 (original description)
Tetrastemma bioculatum Örsted, 1843 (original description)
Tetrastemma subpellucidum Örsted, 1843 (original description)
