In several of the popular cephalopod books I’ve been reafing, I have seen mention of a “skull” or “brain case”.
Am I correct in picturing this as a rather thin, cartilaginous structure giving some small protection to the brain. Obviously, it couldn’t be a BONY case, eh?
Am I correct in picturing this as a rather thin, cartilaginous structure giving some small protection to the brain. Obviously, it couldn’t be a BONY case, eh?