Did all octopodes and squid develop from vampire squid?

And the "squid" moniker does infernalis an even greater disservice than its reputation for blood sucking. The vampire squid is actually a sort of living fossil: It's the only known member of its order, and it's thought to be more closely related to many extinct creatures than it is to modern octopodes and squid. read more

Unfortunately, octopodes and squid did not evolve from the vampire squid. They are “great-uncles” in a way when referred to their relationship with octopuses. Squids are a completely different story, and it would take a while to explain. read more

The vampire squid is the sole member of the Vampyromorpha order of cephalopods, and is believed to be an ancient link between the octopus and squid: Vampire squid also occupy a strange evolutionary position. They are so unusual they command their own order, a very high level of taxonomic organization. read more