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Octopodiformes
Octopodiformes
is a
superorder
of the subclass
Coleoidea
, comprising the
octopuses
and the
vampire squid
. All members of Octopodiformes have eight
arms
.
Classification
Class
Cephalopoda
*Subclass Nautiloidea: nautilus
*Subclass †Ammonoidea:
ammonites
*Subclass Coleoidea
**Superorder Decapodiformes:
squid
,
cuttlefish
**
Superorder
Octopodiformes
***Family †Trachyteuthididae
***Order Vampyromorphida:
vampire
squid
***Order
Octopoda
****
Genus
†
Keuppia
**** Genus †
Palaeoctopus
**** Genus †
Paleocirroteuthis
**** Genus †
Pohlsepia
**** Genus †
Proteroctopus
**** Genus †
Styletoctopus
****Suborder Cirrina: finned
deep-sea
octopus
*****Family Opisthoteuthidae:
umbrella octopus
*****Family
Cirroteuthidae
*****Family
Stauroteuthidae
****Suborder
Incirrina
*****Family Amphitretidae:
telescope octopus
*****Family Bolitaenidae:
gelatinous
octopus
*****Family Octopodidae:
benthic
octopus
*****Family Vitreledonellidae:
glass octopus
*****Superfamily
Argonautoidea
******Family Alloposidae:
seven-arm octopus
******Family Argonautidae:
argonauts
******Family Ocythoidae:
tuberculate pelagic octopus
******Family Tremoctopodidae:
blanket octopus