Argonauta sismondai is an extinct species of argonautid octopus. It was described from fossil remains dating to the Pliocene. In terms of eggcase morphology it is considered closest to the extant A. hians.[1][2][3]

Argonauta sismondai
Temporal range: Pliocene
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Octopoda
Family: Argonautidae
Genus: Argonauta
Species:
A. sismondai
Binomial name
Argonauta sismondai
Bellardi, 1872

References edit

  1. ^ (in Japanese) Iwatani, H., K. Murai, T. Irizuki, H. Hayashi & Y. Tanaka 2009. "Discovery of the oldest fossil of Argonauta hians in Japan, from the middle Pliocene Sadowara Formation, southwest Japan, and its depositional age". Journal of the Geological Society of Japan 115(10): 548–551. doi:10.5575/geosoc.115.548
  2. ^ (in German) Hilber, V. 1915. "Der älteste bekannte und erste miozäne Argonauta" (PDF). Mitteilungen des naturwissenschaftlichen Vereins für Steiermark 51: 107–110.
  3. ^ (in French) Hoernes, R. & L. Dollo 1886. Octopoda. In: Manuel de Paléontologie. Librairie F. Savy, Paris. pp. 380–381.