Velodona octopus illustration from Deutschen Tiefsee-Expedition, German Deep Sea Expedition (1898–1899) by Carl Chun.… Free Image from public domain license 
Vintage colored octopus illustration from Deutschen Tiefsee-Expedition, German Deep Sea Expedition (1898–1899) by Carl… Free Image from public domain license 
Front viewed of eight armed cuttle fish from Zoological lectures delivered at the Royal institution in the years 1806-7… Free Image from public domain license 
Back viewed of eight armed cuttlefish from Zoological lectures delivered at the Royal institution in the years 1806-7… Free Image from public domain license