Sepia

Eitemau Tebyg

• Monograph of recent cephalopoda based on the collections in the British museum :(Vol.1) Octopodinae
  gan: Robson, G. C.
  Cyhoeddwyd: (1929)
• Kingdom of octopus
  gan: Lane, Frank W.
• Monograph of recent cephalopoda based on the collections in the British museum :(Vol.2) Octopoda
  gan: Robson, G. C.
• Monograph of recent cephalopoda based on the collections in the British museum :(Vol.2) Octopoda
  gan: Robson, G. C.
  Cyhoeddwyd: (1932)
• Octopus: Physiology and behaviour of an advanced invertebrate
  gan: Wells, M J
  Cyhoeddwyd: (1978)