clustered around the genome in an organized manner creating a head-to-tail arrangement. References External links TONMO.com: Octopus bimaculoides Care Sheet Video of Octopus bimaculoides (California two-spot octopus) Octopuses Molluscs of the Pacific Ocean Cephalopods of North America Western North American coastal fauna Fauna of California Molluscs of Oceania Molluscs described in 1949