Acera bullata (O. F. Müller, 1776) accepted as Akera bullata O. F. Müller, 1776 (original description)
Actinia bicornis Müller, 1776 (original description)
Actinia candida Müller, 1776 accepted as Metridium senile (Linnaeus, 1761) (original description)
Actinia coccinea Müller, 1776 accepted as Stomphia coccinea (Müller, 1776) (original description)
Actinia crassicornis Müller, 1776 accepted as Urticina crassicornis (Müller, 1776) (original description)
Actinia digitata Müller, 1776 accepted as Hormathia digitata (O.F. Müller, 1776) (original description)
Actinia equina (Linnaeus, 1758) (additional source)
Actinia plumosa accepted as Metridium dianthus (Ellis, 1768) (additional source)
Actinia rufa Risso, 1827 (original description)
Actinia truncata Müller, 1776 (original description)
Actinia viduata W. Thompson accepted as Sagartia troglodytes (Price in Johnston, 1847) accepted as Cylista troglodytes (Price in Johnston, 1847) (original description)
Actinia volva Müller, 1776 (original description)
Akera O. F. Müller, 1776 (original description)
Akera bullata O. F. Müller, 1776 (original description)
Alcyonium cranium Müller, 1776 accepted as Craniella cranium (Müller, 1776) (original description)
Alcyonium massa Müller, 1776 (original description)
Amphitrite auricoma Müller, 1776 accepted as Amphictene auricoma (O.F. Müller, 1776) (original description)
Amphitrite cirrata Müller, 1776 (original description)
Amphitrite cornuta O F Müller, 1776 (original description)
Amphitrite cristata Müller, 1776 accepted as Pista cristata (Müller, 1776) (original description)
Amphitrite pennacea Müller, 1776 (original description)
Amphitrite plumosa Müller, 1776 accepted as Pherusa plumosa (Müller, 1776) (original description)
Anomia aculeata O. F. Müller, 1776 accepted as Heteranomia squamula (Linnaeus, 1758) (original description)
Anops cornuta Müller O.F., 1776 accepted as Acanthochondria cornuta (Müller O.F., 1776) (original description)
Anops radiatus Müller O.F., 1776 accepted as Chondracanthodes radiatus (Müller O.F., 1776) (original description)
Aphrodita cirrata Müller, 1776 accepted as Harmothoe imbricata (Linnaeus, 1767) (original description)
Aphrodita longa O.F. Müller, 1776 accepted as Pholoe longa (O.F. Müller, 1776) (original description)
Arca minuta O. F. Müller, 1776 accepted as Nuculana minuta (O. F. Müller, 1776) (original description)
Arca nodulosa O. F. Müller, 1776 accepted as Asperarca nodulosa (O. F. Müller, 1776) (original description)
Ascidia aspersa Müller, 1776 accepted as Ascidiella aspersa (Müller, 1776) (original description)
Ascidia canina Mueller, 1776 accepted as Ciona intestinalis (Linnaeus, 1767) (original description)
Ascidia clavata Mueller, 1776 accepted as Boltenia ovifera (Linnaeus, 1767) (original description)
Ascidia conchilega Müller, 1776 (original description)
Ascidia corrugata Mueller, 1776 accepted as Ciona intestinalis (Linnaeus, 1767) (original description)
Ascidia lepadiformis Mueller, 1776 accepted as Clavelina lepadiformis (Müller, 1776) (original description)
Ascidia mentula Müller, 1776 (original description)
Ascidia parallelogramma Müller, 1776 accepted as Corella parallelogramma (Müller, 1776) (original description)
Ascidia patula Mueller, 1776 accepted as Ascidiella aspersa (Müller, 1776) (original description)
Ascidia prunum Müller, 1776 (original description)
Ascidia scabra Müller, 1776 accepted as Ascidiella scabra (Müller, 1776) (original description)
Ascidia venosa Mueller, 1776 accepted as Ascidia virginea Müller, 1776 (original description)
Ascidia virginea Müller, 1776 (original description)
Asterias aspera O.F. Müller, 1776 accepted as Solaster endeca (Linnaeus, 1771) (original description)
Asterias ciliata O.F. Müller, 1776 accepted as Ophiura ophiura (Linnaeus, 1758) (original description)
Asterias filiformis O.F. Müller, 1776 accepted as Amphiura filiformis (O.F. Müller, 1776) (original description)
Asterias militaris O.F. Müller, 1776 accepted as Asteriscus militaris (O.F. Müller, 1776) accepted as Pteraster militaris (O.F. Müller, 1776) (original description)
Asterias perforata O.F. Müller, 1776 accepted as Henricia perforata (O.F. Müller, 1776) (original description)
Asterias pertusa O.F. Müller, 1776 accepted as Linckia pertusa (O.F. Müller, 1776) accepted as Henricia sanguinolenta (O.F. Müller, 1776) (original description)
Asterias pulvillus O.F. Müller, 1776 accepted as Porania (Porania) pulvillus (O.F. Müller, 1776) (original description)
Asterias rosea O.F. Müller, 1776 accepted as Linckia rosea (O.F. Müller, 1776) accepted as Stichastrella rosea (O.F. Müller, 1776) (original description)
Asterias sanguinolenta O.F. Müller, 1776 accepted as Henricia sanguinolenta (O.F. Müller, 1776) (original description)
Beroe O.F. Müller, 1776 (original description)
Beroe infundibulum Müller, 1776 accepted as Bolinopsis infundibulum (O.F. Müller, 1776) (original description)
Beroe pileus O. F. Müller, 1776 accepted as Pleurobrachia pileus (O. F. Müller, 1776) (original description)
Binoculus palustris Müller O.F., 1776 (original description)
Binoculus piscinus Müller O.F., 1776 (original description)
Binoculus salmoneus Müller O.F., 1785 (original description)
Blennius fuscus Müller, 1776 accepted as Raniceps raninus (Linnaeus, 1758) (original description)
Boltenia clavata Mueller, 1776 accepted as Boltenia ovifera (Linnaeus, 1767) (original description)
Bulla latens O. F. Müller, 1776 accepted as Lamellaria latens (O. F. Müller, 1776) (original description)
Bulla plicatilis O. F. Müller, 1776 accepted as Velutina plicatilis (O. F. Müller, 1776) (original description)
Bulla velutina O. F. Müller, 1776 accepted as Velutina velutina (O. F. Müller, 1776) (original description)
Cancer flexuosus Müller, 1776 accepted as Praunus flexuosus (Müller, 1776) (original description)
Cancer medusarum Müller, 1776 accepted as Hyperia medusarum (Müller, 1776) (original description)
Clupea villosa Müller, 1776 accepted as Mallotus villosus (Müller, 1776) (original description)
Cribrella rosea (O.F. Müller, 1776) accepted as Stichastrella rosea (O.F. Müller, 1776) (original description)
Cyclops brevicornis Müller O.F., 1776 accepted as Tigriopus brevicornis (Müller O.F., 1776) (original description)
Cyclops minutus Müller O.F., 1776 accepted as Canthocamptus minutus (Müller O.F., 1776) accepted as Bryocamptus (Bryocamptus) minutus (Claus, 1863) represented as Bryocamptus (Bryocamptus) minutus minutus (Claus, 1863) (original description)
Cyclops saltatonius (Müller O.F., 1776) (original description)
Cyclopterus spinosus Fabricius, 1776 accepted as Eumicrotremus spinosus (Fabricius, 1776) (original description)
Cypris Müller, 1776 (original description)
Cypris pubera Müller, 1776 (original description)
Dentalium arietinum O. F. Müller, 1776 accepted as Ditrupa arietina (O. F. Müller, 1776) (original description)
Doris arborescens O. F. Müller, 1776 accepted as Dendronotus frondosus (Ascanius, 1774) (original description)
Doris auriculata O. F. Müller, 1776 accepted as Facelina auriculata (O. F. Müller, 1776) (original description)
Doris clavigera O. F. Müller, 1776 accepted as Limacia clavigera (O. F. Müller, 1776) (original description)
Doris fasciculata Müller, 1776 (original description)
Doris fusca O. F. Müller, 1776 accepted as Onchidoris bilamellata (Linnaeus, 1767) (original description)
Doris lacinulata Müller, 1776 (original description)
Doris muricata O. F. Müller, 1776 accepted as Onchidoris muricata (O. F. Müller, 1776) (original description)
Doris obvelata O. F. Müller, 1776 accepted as Cadlina laevis (Linnaeus, 1767) (original description)
Doris quadrilineata O. F. Müller, 1776 accepted as Polycera quadrilineata (O. F. Müller, 1776) (original description)
Echinorhynchus Zoega in Müller, 1776 (original description)
Echinorhynchus gadi Zoega in Müller, 1776 (original description)
Echinorhynchus laevis Zoega in Müller, 1776 accepted as Pomphorhynchus laevis (Zoega in Müller, 1776) Porta, 1908 (original description)
Echinorhynchus lucii Müller, 1776 accepted as Acanthocephalus lucii (Müller, 1776) Lühe, 1911 (original description)
Echinus dröbachiensis O.F. Müller, 1776 accepted as Strongylocentrotus droebachiensis (O.F. Müller, 1776) (original description)
Echinus sphaera O.F. Müller, 1776 accepted as Echinus esculentus Linnaeus, 1758 (original description)
Eubalaena glacialis (Müller, 1776) (original description)
Fasciola aeglefini Müller, 1776 accepted as Podocotyle aeglefini (Müller, 1776) Yamaguti, 1954 accepted as Podocotyle simplex (Rudolphi, 1809) Srivastava, 1966 (original description)
Fasciola blennii Müller, 1776 accepted as Steringotrema divergens (Rudolphi, 1809) Odhner, 1911 (original description)
Fasciola bramae Müller, 1776 accepted as Sphaerostoma bramae (Müller, 1776) Lühe, 1909 (original description)
Fasciola lucii Müller, 1776 accepted as Distoma lucii (Müller, 1776) Zeder, 1800 accepted as Azygia lucii (Müller, 1776) Lühe, 1909 (original description)
Fasciola luciopercae Müller, 1776 accepted as Distoma luciopercae (Müller, 1776) accepted as Bunodera luciopercae (Müller, 1776) Lühe, 1909 (original description)
Fistulana Müller, 1776 accepted as Coryne Gaertner, 1774 (original description)
Fistularia Müller, 1776 accepted as Coryne Gaertner, 1774 (original description)
Hirudo grossa Müller, 1776 accepted as Malacobdella grossa (Müller, 1776) (original description)
Hirudo hippoglossi O. F. Müller, 1776 accepted as Entobdella hippoglossi (Müller, 1776) Blainville, 1818 (original description)
Hirudo vulgaris Müller, 1774 accepted as Erpobdella octoculata (Linnaeus, 1758) (additional source)
Holothuria elegans O.F. Müller, 1776 accepted as Parastichopus tremulus (Gunnerus, 1767) (original description)

Danish Exclusive Economic Zone for Fasciola blennii Müller, 1776 
North Sea for Fasciola aeglefini Müller, 1776 
Norway for Planaria cornuta Müller, 1777 
Norwegian Exclusive Economic Zone for Actinia bicornis Müller, 1776 
Norwegian Exclusive Economic Zone for Actinia candida Müller, 1776 
Norwegian Exclusive Economic Zone for Actinia coccinea Müller, 1776 
Norwegian Exclusive Economic Zone for Actinia crassicornis Müller, 1776 
Norwegian Exclusive Economic Zone for Actinia digitata Müller, 1776 
Norwegian Exclusive Economic Zone for Actinia rufa Risso, 1827 
Norwegian Exclusive Economic Zone for Actinia truncata Müller, 1776 
Norwegian Exclusive Economic Zone for Actinia viduata W. Thompson 
Norwegian Exclusive Economic Zone for Actinia volva Müller, 1776 
Norwegian Exclusive Economic Zone for Alcyonium massa Müller, 1776 
Scandinavia for Fasciola lucii Müller, 1776 
Scandinavia for Julus candidus Müller, 1776 
Southern Norway for Alcyonium cranium Müller, 1776 

 Authority

 for Lumbricus papillosus Müller, 1776

Mistakenly as Lumbricus papillosus Fabricius, 1780 in the Hartman catalogue, but it is clear Fabricius was ... [details]

 Authority

 for Nerita islandica Gmelin, 1791

Gmelin [1791] attributed the authorship of this species to O.F. Müller [1776: 245], but Müller’s work is not ... [details]

 Description

 for Tubularia penicillus [sensu] Müller, 1776

There is a brief Latin diagnosis: Tubularia "Penicillus cristata , cirris pectinatis pavoniis , tubulo curvato , ... [details]

 Diagnosis

 for Nereis diversicolor Müller, 1776

Original diagnosis by O.F. Müller (1776: 217): "subdepressa, pedibus acuminatis setiferis." [details]

 Homonymy

 for Lumbricus friendi Cognetti de Martiis, 1904

Lumbricus friendi Cognetti, 1904 is an original name, but it is a replacement for the original name of Lumbricus ... [details]

 Publication date

 for Amphitrite cirrata Müller, 1776

In 1776 Müller uses the name and gives a three word diagnosis (cincinnis utrinque tribus). He refers back to ... [details]

 Taxonomic remark

 for Caprella lobata (Müller, 1776)

Original name Squilla lobata [details]

 Taxonomy

 for Amphitrite cornuta O F Müller, 1776

Probably indeterminable as the name has no modern records. Müller gives a three word description of "corniculis ... [details]

 Taxonomy

 for Amphitrite plumosa Müller, 1776

In the past (eg Hartman catalogue) Amphitrite plumosa was re-assigned to Flabelligera affinis. Salazar-Vallejo ... [details]

 Type locality

 for Nais caeca Müller, 1776

"in sinu christianiensi" = Gulf of Oslo. Cristiana was the name of the Norwegian capital Oslo from 1624, from 1877 ... [details]