The Legendary Giant Squid

The giant squid emerges from the realm of myth and legend as the fearsome KRAKEN:

 
It is only recently that live giant squids were filmed:

Giant Squid Caught on Tape for First Time for Discovery Channel's  

Monster Squid: The Giant Is Real

Washington Post June 23, 2019: 
Scientists captured video of a giant squid

The giant squid is an invertebrate (spineless creature) and is the largest member of the Cephalopod family.  The amazing Smithsonian Ocean website provides a family tree as well lots of other fascinating information about cephalopods:

Smithsonian Ocean: Cephalopods

The cephalopods are a diverse class of mollusks. Today, scientists divide the living cephalopods into three groups, called superorders. Many details of cephalopod evolutionary classification continue to change as scientists find new clues from genetic testing and newly discovered fossils. (Created by Ashley Gallagher for the Ocean Portal)

The Smithsonian Ocean Portal also provides a fascinating and informative page on the giant squid:

 The Giant Squid

 

This female giant squid is the larger of two on display in the Smithsonian's Sant Ocean Hall. (Don Hurlbert/Smithsonian Institution

The Museum of New Zealand - Te Papa Tongarewa provides a great page on...

The difference between colossal squid, giant squid, and octopus 

Mental Floss provides...

20 Freaky Facts About the Giant Squid