Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: Coleoidea
Cohors: Neocoleoidea
Superordo: Octopodiformes
Ordo: Vampyromorphida - Octopoda
Octopodiformes is a superorder of the subclass Coleoidea. It comprises the octopuses and the vampire squid. All members of Octopodiformes have 8 arms.
Classification
* Class Cephalopoda
o Subclass Nautiloidea: nautilus
o Subclass †Ammonoidea: ammonites
o Subclass Coleoidea
+ Superorder Decapodiformes: squid, cuttlefish
+ Superorder Octopodiformes
# Family †Trachyteuthididae (incertae sedis)
# Order Vampyromorphida: Vampire Squid
# Order Octopoda
* Genus †Keuppia (incertae sedis)
* Genus †Palaeoctopus (incertae sedis)
* Genus †Paleocirroteuthis (incertae sedis)
* Genus †Pohlsepia (incertae sedis)
* Genus †Proteroctopus (incertae sedis)
* Genus †Styletoctopus (incertae sedis)
* Suborder Cirrina: finned deep-sea octopus
o Family Opisthoteuthidae: umbrella octopus
o Family Cirroteuthidae
o Family Stauroteuthidae
* Suborder Incirrina
o Family Amphitretidae: telescope octopus
o Family Bolitaenidae: gelatinous octopus
o Family Octopodidae: benthic octopus
o Family Vitreledonellidae: Glass Octopus
o Superfamily Argonautoida
+ Family Alloposidae: Seven-arm Octopus
+ Family Argonautidae: argonauts
+ Family Ocythoidae: Tuberculate Pelagic Octopus
+ Family Tremoctopodidae: blanket octopus
References
1. ^ a b c Young, Richard E.; Vecchione, Michael; Fuchs, Dirk (May 3, 2010). "Octopodiformes Berthold and Engeser, 1987. Vampire Squid and Octopods.". Tree of Life Web Project, http://tolweb.org/. http://tolweb.org/Octopodiformes/19405/2010.05.03. Retrieved Jun 2 2010.
