Umbrella octopus

Umbrella octopuses
Opisthoteuthis californiana
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Octopoda
Suborder:	Cirrina
Family:	Opisthoteuthidae Verrill, 1896
Genera
Cirroctopus Cryptoteuthis Grimpoteuthis Luteuthis Opisthoteuthis

Opisthoteuthis extensa

Opisthoteuthis medusoides

Umbrella octopuses (family Opisthoteuthidae) are a group of pelagic octopuses. Umbrella octopuses are characterized by a web of skin between the tentacles, causing them to somewhat resemble an opened umbrella when the tentacles are spread.

Taxonomy

• Genus Cirroctopus
  • Cirroctopus antarctica
  • Cirroctopus glacialis
  • Cirroctopus hochbergi, four-blotched umbrella octopus
  • Cirroctopus mawsoni
• Genus Cryptoteuthis
  • Cryptoteuthis brevibracchiata
• Genus Grimpoteuthis
  • Grimpoteuthis abyssicola, red jellyhead
  • Grimpoteuthis bathynectes, Dumbo octopus
  • Grimpoteuthis challengeri
  • Grimpoteuthis discoveryi
  • Grimpoteuthis hippocrepium
  • Grimpoteuthis innominata, small jellyhead
  • Grimpoteuthis meangensis
  • Grimpoteuthis megaptera
  • Grimpoteuthis pacifica
  • Grimpoteuthis plena
  • Grimpoteuthis tuftsi
  • Grimpoteuthis umbellata
  • Grimpoteuthis wuelkeri – possibly same as G. umbellata or G. plena
• Genus Luteuthis
  • Luteuthis dentatus, Lu's jellyhead
  • Luteuthis shuishi
• Genus Opisthoteuthis
  • Opisthoteuthis agassizii
  • Opisthoteuthis albatrossi
  • Opisthoteuthis bruuni
  • Opisthoteuthis californiana, flapjack octopus
  • Opisthoteuthis calypso
  • Opisthoteuthis chathamensis, roughy umbrella octopus
  • Opisthoteuthis depressa, Japanese pancake devilfish
  • Opisthoteuthis extensa
  • Opisthoteuthis grimaldii
  • Opisthoteuthis hardyi
  • Opisthoteuthis massyae
  • Opisthoteuthis medusoides
  • Opisthoteuthis mero, Mero's umbrella octopus
  • Opisthoteuthis persephone
  • Opisthoteuthis philipii
  • Opisthoteuthis pluto
  • Opisthoteuthis robsoni, deep-water umbrella octopus

External links

• Tree of Life website gives information about the classification of cephalopod groups