Argonautoidea Cantraine 1841

Tremoctopus violaceus, dorsal view of specimen....

Alloposus mollis, ventral view of small female, from the Pailolo Channel.

Shell of Argonauta argo (Linnaeus).

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'....

Tremoctopus violaceus, ventral view of large female from station 2930.

Cephalopods. Alloposus mollis Verrill; Young Male, Arm of Same, Young Female, Dorsal view of Same

Argonauta argo (Linnaeus).

Tremoctopus violaceus, lateral view of adult male, from station 4086, with nearly ripe hectocotylus.

Cephalopods. Alloposus mollis Verrill; Octopus lentus Verrill; Eledone verrucosa Verrill; Same

Argonauta argo.

Argonauta argo, side view of shell.

Argonauta papyracea, as it swims by means of its locomotive tube.

Argonauta papyracea in its shell.

Argonauta argo L., the position assumed by a specimen kept in captivity, the arrow showing the direction of movement.

I Cefalopodi viventi nel Golfo di Napoli (sistematica) Berlin :R. Friedländer & Sohn,1896. biodiversitylibrary.org/page/35424434

The Cephalopod. atlas Jerusalem :Israel Program for Scientific Translations ; Springfield, Va. : available from the U. S. National Technical Information Service,1975. biodiversitylibrary.org/page/32124287

I Cefalopodi viventi nel Golfo di Napoli (sistematica) Berlin :R. Friedländer & Sohn,1896. biodiversitylibrary.org/page/35424442

Poems on conchology and botany :. Bristol :Simpkin & Marshall ... ;1831.. biodiversitylibrary.org/page/15915054

Encyclopaedia londinensis, or, Universal dictionary of arts, sciences, and literature London :Printed for the proprietor, by J. Adlard ..., sold at the Encyclopaedia Office ... by J. White ... and Champante and Whitrow ...,1810-1829. biodiversitylibrary.org/page/15915153

The hall of shells;. New York,D. Appleton and company,1897.. biodiversitylibrary.org/page/10951840

Kaisenshu.. Kyoto :Yamada Naozoburo,1914-1915.. biodiversitylibrary.org/page/25208298

Manual of the New Zealand mollusca /. Wellington, N. Z. :J. Mackay, govt. printer,1913-1915.. biodiversitylibrary.org/page/27824679

The cephalopods of the north-eastern coast of America /. New Haven, Conn. :Connecticut Academy of Sciences,1879-1881. biodiversitylibrary.org/page/11826815