Dodecaceria Örsted, 1843 (original description)
Dodecaceria concharum Örsted, 1843 (original description)
Eteone maculata Treadwell, 1922 accepted as Eteone pacifica Hartman, 1936 (original description)
Eteone maculata Örsted, 1843 (original description)
Eteone pusilla Örsted, 1843 (original description)
Eteone pusilla Malmgren, 1865 accepted as Eteone lactea Claparède, 1868 accepted as Hypereteone lactea (Claparède, 1868) (original description)
Eteone sarsii Örsted, 1843 accepted as Eteone flava (Fabricius, 1780) (original description)
Eulalia fusca Örsted, 1843 accepted as Eulalia bilineata (Johnston, 1840) (original description)
Eulalia pusilla Ørsted, 1843 (original description)
Eulalia quadricornis Örsted, 1843 (original description)
Eulalia sanguinea Örsted, 1843 accepted as Eumida sanguinea (Örsted, 1843) (original description)
Eumenia Örsted, 1843 accepted as Polyphysia Quatrefages, 1866 (original description)
Eumenia crassa Örsted, 1843 accepted as Polyphysia crassa (Örsted, 1843) (original description)
Goniada maculata Örsted, 1843 (original description)
Heteronereis fucicola Örsted, 1843 accepted as Platynereis dumerilii (Audouin & Milne Edwards, 1833) (original description)
Heteronereis viridis Örsted, 1843 (original description)
Lepidonote [auct. misspelling for Lepidonotus] accepted as Lepidonotus Leach, 1816 (basis of record)
Lepidonote assimilis Örsted, 1843 accepted as Harmothoe assimilis (Örsted, 1843) (original description)
Lepidonote cirrata Örsted, 1843 accepted as Harmothoe imbricata (Linnaeus, 1767) (original description)
Lepidonote punctata Örsted, 1843 accepted as Lepidonotus squamatus (Linnaeus, 1758) (original description)
Leucodore coecus Örsted, 1843 accepted as Dipolydora coeca (Örsted, 1843) (original description)
Nephthys assimilis Örsted, 1843 accepted as Nephtys assimilis Örsted, 1843 (original description)
Nephtys assimilis Örsted, 1843 (original description)
Nephtys borealis Örsted, 1843 accepted as Nephtys ciliata (Müller, 1788) (original description)
Nereilepas [auctt.] accepted as Nereilepa Blainville, 1828 (basis of record)
Nereilepas fusca Örsted, 1843 accepted as Nereis pelagica Linnaeus, 1758 (original description)
Nereilepas variabilis Örsted, 1843 accepted as Platynereis dumerilii (Audouin & Milne Edwards, 1833) (original description)
Nereis zostericola Örsted, 1843 accepted as Platynereis dumerilii (Audouin & Milne Edwards, 1833) (original description)
Notophyllum Örsted, 1843 (original description)
Notophyllum longum Örsted, 1843 accepted as Notophyllum foliosum (Sars, 1835) (original description)
Notophyllum viride Örsted, 1843 accepted as Notophyllum foliosum (Sars, 1835) (original description)
Ophelina Örsted, 1843 (original description)
Ophelina acuminata Örsted, 1843 (original description)
Pholoe baltica Örsted, 1843 (original description)
Phyllodoce assimilis Örsted, 1843 (original description)
Phyllodoce clavigera Audouin & Milne Edwards, 1833 accepted as Eulalia clavigera (Audouin & Milne Edwards, 1833) (source of synonymy)
Phyllodoce mucosa Örsted, 1843 (original description)
Phyllodocidae Örsted, 1843 (original description)
Polyphysia crassa (Örsted, 1843) (original description)
Sphaerodorum Örsted, 1843 (original description)
Sphaerodorum flavum Örsted, 1843 accepted as Sphaerodorum gracilis (Rathke, 1843) (original description)
Spio seticornis (Linnaeus, 1767) (original description)

 Depth range

 for Ophelina acuminata Örsted, 1843

Subtidal. [details]

 Diagnosis

 for Notophyllum Örsted, 1843

Original diagnosis by Örsted (1843: 25): "Corpus lineare depressum; caput cordalum; tentacula 4 elliptica in apice ... [details]

 Etymology

 for Ophelina acuminata Örsted, 1843

Not stated in the original description. The specific epithet acuminata (masculine: acuminatus) is a Latin adjective ... [details]

 Etymology

 for Sphaerodorum Örsted, 1843

Not stated. The obvious derivation is as a reference to the spherical papillae on the dorsum. However, Örsted used ... [details]

 Grammatical gender

 for Sphaerodorum Örsted, 1843

Sphaerodorum is neuter [details]

 Habitat

 for Ophelina acuminata Örsted, 1843

Subtidal rocky bottom. [details]

 Spelling

 for Leucodore coecus Örsted, 1843

Örsted (1843 & 1844) used Leucodorum coecum, a neuter construct (see separate record, Aphia 1423816), thus ... [details]

 Spelling

 for Sphaerodorum Örsted, 1843

Nomenclator Zoologicus listings oddly cross-reference to a lapsus spelling 'spaerodorum' in a contents list on p.35 ... [details]

 Type locality

 for Eulalia sanguinea Örsted, 1843

Skagen and Hellebaek, Denmark, North Sea [details]

 Type locality

 for Ophelina acuminata Örsted, 1843

Øresund Strait, between Landskrone (Sweden) and Hveen (= Ven) Island (Sweden), NE Atlantic Ocean (gazetteer ... [details]