The cephalopod orders are the divisions of the molluscan class Cephalopoda, which has approximately 650 to 700 extant species in two subclasses and five orders. All are strictly marine and live in every ocean. The nautiloids have more than 90 tentacles, the cuttlefish and squid orders have eight arms and two tentacles, and the octopus and vampire squid orders have eight arms. The backbone at GBIF lists many more orders in all, including Nautilida, Octopoda, Sepiida, Oegopsida, Ceratitida, Goniatitida, Agoniatitida, Orthocerida and Phylloceratida.
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Cephalopod Orders
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Animal Diversity Web: Cephalopoda
Animal Diversity WebDiversityQuote, Diversity
There are approximately 650 to 700 extant species of cephalopods in two subclasses and five orders.
GBIF Secretariat: GBIF Backbone Taxonomy, children of Cephalopoda
GBIF SecretariatChildren of Cephalopoda
"canonicalName":"Octopoda","vernacularName":"octopus","authorship":"","nameType":"SCIENTIFIC","rank":"ORDER","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":797
Children of Cephalopoda: Nautilida
"canonicalName":"Nautilida","authorship":"","nameType":"SCIENTIFIC","rank":"ORDER","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":2433
Children of Cephalopoda: Sepiida
"canonicalName":"Sepiida","vernacularName":"cuttlefish","authorship":"","nameType":"SCIENTIFIC","rank":"ORDER","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":423
Children of Cephalopoda: Oegopsida
"canonicalName":"Oegopsida","authorship":"","nameType":"SCIENTIFIC","rank":"ORDER","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":657
Children of Cephalopoda: Ceratitida
"canonicalName":"Ceratitida","vernacularName":"ceratite","authorship":"","nameType":"SCIENTIFIC","rank":"ORDER","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":5728
Children of Cephalopoda: Goniatitida
"canonicalName":"Goniatitida","authorship":"","nameType":"SCIENTIFIC","rank":"ORDER","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":3578
Children of Cephalopoda: Agoniatitida
"canonicalName":"Agoniatitida","authorship":"","nameType":"SCIENTIFIC","rank":"ORDER","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":923
Children of Cephalopoda: Orthocerida
"canonicalName":"Orthocerida","authorship":"","nameType":"SCIENTIFIC","rank":"ORDER","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":846
Children of Cephalopoda: Phylloceratida
"canonicalName":"Phylloceratida","authorship":"","nameType":"SCIENTIFIC","rank":"ORDER","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":554
View the Source Wikipedia: Nautilida
WikipediaHas Member: Nautilida, LeadQuote, Has Member: Nautilida, Lead
The Nautilida constitute a large and diverse order of generally coiled nautiloid cephalopods that began in the mid Paleozoic and continues to the present with a single family, the Nautilidae which includes two genera, Nautilus and Allonautilus, with six species.
Wikipedia: Spirulida
WikipediaHas Member: Spirulida, LeadQuote, Has Member: Spirulida, Lead
Spirulida is an order of cephalopods comprising one extant species (Spirula spirula) and several extinct taxa.
Wikipedia: Octopus
WikipediaHas Member: Octopoda, LeadQuote, Has Member: Octopoda, Lead
An octopus (pl.: octopuses or octopodes) is a soft-bodied, eight-limbed mollusc of the order Octopoda (, ok-TOP-ə-də).
Wikipedia: Bobtail squid
WikipediaHas Member: Sepiolida, LeadQuote, Has Member: Sepiolida, Lead
Bobtail squid are cephalopods belonging to the monotypic superfamily Sepioloidea of the order Sepiolida.
Wikipedia: Sepiida
WikipediaHas Member: Sepiida, LeadQuote, Has Member: Sepiida, Lead
Sepiida is an order of ten-armed cephalopods.
Wikipedia: Vampyromorphida
WikipediaHas Member: Vampyromorphida, LeadQuote, Has Member: Vampyromorphida, Lead
Vampyromorphida is an order of cephalopods comprising one known extant species (Vampyroteuthis infernalis) and many extinct taxa.
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