Tremoctopus violaceus
Argonauta bottgeri, hectocotylus of male English: Argonauta bottgeri, hectorotylus of male Subject: Cephalopoda, Argonauta Tag: Fish
Abraliopsis morisi hectocotylus
Bathypolypus arcticus Public domain photograph of zoological illustration, free to use, no copyright restrictions image - Picryl description
Bathypolypus arcticus Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Graneledone verrucosa media hectocotylus Public domain photograph of statue, sculpture, free to use, no copyright restrictions image - Picryl description
Young male of Haliphron atlanticus
Hectocotyle by Georges cuvier. The name "hectocotylus" was devised by Georges Cuvier, who first found one embedded in the mantle of a female argonaut; supposing it to be a parasitic worm, Cuvier gave it a gene More
Scaeurgus patagiatus
Hectocotyl arm of a male squid, Uroteuthis duvauceli Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Polypus horsti Joubin = Octopus cyanea Gray, 1849 English: Tip of hectocotylus, magnification × 3
Argonauta bottgeri, hectocotylus of male Русский: Гектокотиль самца Argonauta bottgeri