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Dwarf male of Tremoctopus violaceus holding siphonophore tentacles in its suckers
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Tremoctopus violaceus, dorsal view of specimen....
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Alloposus mollis, ventral view of small female, from the Pailolo Channel.
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Shell of Argonauta argo (Linnaeus).
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Male of Ocythoe tuberculata Raf. (=Philonexis catenulatus, Fer.), Mediterranean, showing three stages, A, B, and C., in the development of the hectocotylus arm; h.cy, hectocotylus still in the cyst; c'y', spoon-shaped cyst at the end of the arm when freed; th, thread-like organ freed by the rupture of c'y'....
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Tremoctopus violaceus, ventral view of large female from station 2930.
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Cephalopods. Alloposus mollis Verrill; Young Male, Arm of Same, Young Female, Dorsal view of Same
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Argonauta argo (Linnaeus).
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Tremoctopus violaceus, lateral view of adult male, from station 4086, with nearly ripe hectocotylus.
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Cephalopods. Alloposus mollis Verrill; Octopus lentus Verrill; Eledone verrucosa Verrill; Same