| | Coleoidea -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-09-19) |
 | | The ((biology) a taxonomic group ranking above an order and below a class or subclass) superorder (Click link for more info and facts about Decapodiformes) Decapodiformes has arm pair IV modified into long tentacles with suckers generally only on the club-shaped (Click link for more info and facts about distal) distal end. |
 | | Superorder Octopodiformes has modifications to arm pair II; it is significantly reduced and used only as a sensory filament in the (Click link for more info and facts about Vampyromorphida) Vampyromorphida, while (Octopuses and paper nautilus) Octopoda species have totally lost that arm pair. |
 | | Subclass (Click link for more info and facts about Nautiloidea) Nautiloidea: nautilus |
| www.absoluteastronomy.com /encyclopedia/C/Co/Coleoidea.htm (317 words) |