Octopoda n.pl. : Same as Octocerata.

Octopoda n.pl. : Same as Arachnida.

Example:


Taxonomy
octopuses, species, the octopus, octopodes, octopi, Family, cephalopods, two arms, predators, defense, limbs, suborder, body, cloud, squid, cuttlefish, unhatched eggs, larval.

Defination from the web:
... The term octopod (plural octopods or octopodes) is taken from the taxonomic order Octopoda but has no classical equivalent. ...