the kraken is a huge mythical sea creature that was once thought to be real, some people thought that orthocones were kraken fossils when they discoverd the first orthocones.
the kraken is an octopus. The Kraken maybe based on sightings of colossal squid which to them were sea monsters however it is an octopus.
It is probably 90ft and its tentacles are a length of 20 ft or more. It was capable of lashing them out and dragging ships to their doom.