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List of mollusc orders illustrates the 97 orders in the phylum Mollusca, the largest marine animal phylum. 85,000 extant species are described, making up 23% of described marine organisms.

Class Aplacophora

Subclass Caudofoveata

No orders, 6 families, 15 genera, 150 species.

Subclass Solenogastres

• Order Neomeniamorpha
• Order Pholidoskepia

Testaria (unranked)

Class Polyplacophora (Chitons)

• Order Multiplacophora †
• Order Neoloricata
• Order Paleoloricata †

Subphylum Conchifera

Class Bivalvia

Subclass Heterodonta

• Superfamily Arcticoidea
• Superfamily Cardioidea
• Superfamily Chamoidea
• Superfamily Clavagelloidea
• Superfamily Crassatelloidea
• Superfamily Cuspidarioidea
• Superfamily Hippuritoida †
• Superfamily Cyamioidea
• Superfamily Cyrenoidea
• Superfamily Cyrenoidoidea
• Superfamily Dreissenoidea
• Superfamily Galeommatoidea
• Superfamily Gastrochaenoidea
• Superfamily Glossoidea
• Superfamily Hemidonacoidea
• Superfamily Hiatelloidea
• Superfamily Limoidea
• Superfamily Lucinoidea
• Superfamily Mactroidea
• Superfamily Myoidea
• Superfamily Pandoroidea
• Superfamily Pholadoidea
• Superfamily Pholadomyoidea
• Superfamily Solenoidea
• Superfamily Sphaerioidea
• Superfamily Tellinoidea
• Superfamily Thyasiroidea
• Superfamily Ungulinoidea
• Superfamily Veneroidea
• Superfamily Verticordioidea

Subclass Palaeoheterodonta

• Superfamily Trigonioidea
• Superfamily Unionoidea

Subclass Protobranchia

• Superfamily Manzanelloidea
• Superfamily Nuculanoidea
• Superfamily Nuculoidea
• Superfamily Sapretoidea
• Superfamily Solemyoidea

Subclass Pteriomorphia

• Superfamily Anomioidea
• Superfamily Arcoidea
• Superfamily Dimyoidea
• Superfamily Limoidea
• Superfamily Mytiloidea
• Superfamily Ostreoidea
• Superfamily Pectinoidea
• Superfamily Pinnoidea
• Superfamily Plicatuloidea
• Superfamily Pterioidea

Class Cephalopoda

Subclass Nautiloidea

• Order Plectronocerida †
• Order Ellesmerocerida †
• Order Actinocerida †
• Order Pseudorthocerida †
• Order Ascocerida †
• Order Endocerida †
• Order Tarphycerida †
• Order Oncocerida †
• Order Discosorida †
• Order Nautilida
• Order Orthocerida †
• Order Lituitida †
• Order Dissidocerida †
• Order Bactritida †

Subclass Ammonoidea †

• Order Goniatitida †
• Order Prolecanitida †
• Order Ceratitida †
• Order Ammonitida †

Subclass Coleoidea

Division Belemnitida

• Order Belemnoidea †
• Order Aulacocerida †
• Order Phragmoteuthida †
• Order Donovaniconida †
• Order Belemnitida †
• Order Hematitida †

Division Neocoleoidea (most living cephalopods)

• Superorder Decapodiformes
  • Order Boletzkyida †
  • Order Spirulida ram's horn squid
  • Order Sepiida cuttlefish
  • Order Sepiolida bobtail squid
  • Order Teuthida squid
• Superorder Octopodiformes
  • Order Vampyromorphida vampire squid
  • Order Octopoda octopus

Class Gastropoda

This overview of orders follows the taxonomy of the Gastropoda (Ponder & Lindberg, 1997):

• Order Bellerophontinaka (fossil)
• Order Mimospirina (fossil)

Subclass Eogastropoda

• Order Euomphalida de Koninck 1881 (fossil)
• Order Patellogastropoda Lindberg, 1986 (true limpets)

Subclass Orthogastropoda Ponder & David R. Lindberg, 1996

• Order Murchisoniina Cox & Knight, 1960 (fossil)
• Order Neomphaloida Sitnikova & Starobogatov, 1983

Superorder Vetigastropoda Salvini-Plawen, 1989 (limpets)

Superorder Neritaemorphi Koken, 1896

• Order Cyrtoneritomorpha (fossil)
• Order Neritopsina Cox & Knight, 1960

Superorder Caenogastropoda Cox, 1960

• Order Architaenioglossa Haller, 1890
• Order Sorbeoconcha Ponder & David R. Lindberg, 1997
  • Infraorder Littorinimorpha Golikov & Starobogatov, 1975
  • Infraorder Ptenoglossa J.E. Gray, 1853
  • Infraorder Neogastropoda Thiele, 1929

Superorder Heterobranchia J.E. Gray, 1840

• Order Heterostropha P. Fischer, 1885
• Order Opisthobranchia Milne-Edwards, 1848
  • Infraorder Euthecosomata
  • Infraorder Pseudothecosomata
  • Infraorder Anthobranchia Férussac, 1819
  • Infraorder Cladobranchia Willan & Morton, 1984
  • Suborder Eupulmonata Haszprunar & Huber, 1990
    • Infraorder Acteophila Dall, 1885 (= formerly Archaeopulmonata)

Class Monoplacophora

• Order Tryblidiida

Class Rostroconchia †

• Order Conocardiida † Newell, 1965
• Order Ribeirioida † Kobayashi, 1933
• Order Tuarangiida † MacKinnon, 1982

Class Scaphopoda (Tusk shells)

• Order Dentaliida
• Order Gadilida

See also

• 2010 Bivalvia taxonomy
• Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
• Taxonomy of the Gastropoda (Bouchet et al., 2017)
• Taxonomy of the Gastropoda (Ponder & Lindberg, 1997)
• Taxonomy of the Conoidea (Tucker & Tenorio, 2009)

References

1. Chapman, A.D. (2009). Numbers of Living Species in Australia and the World, 2nd edition. Australian Biological Resources Study, Canberra. Retrieved 12 January 2010. ISBN 978-0-642-56860-1 (printed); ISBN 978-0-642-56861-8 (online).
2. Hancock, Rebecca (2008). "Recognising research on molluscs". Australian Museum. Archived from the original on 2009-05-30. Retrieved 2009-03-09.

• Mollusc orders
• Lists of molluscs
• Taxonomic lists (orders)