Scientific name Argonauta joanneus | Order Octopoda Genus Argonauta Rank Species | |
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Similar Argonauta pacifica, Obinautilus, Argonauta nouryi, Argonauta cornuta, Argonauta bottgeri | ||
Argonauta joanneus is an extinct species of octopus assigned to the genus Argonauta. It was described in 1915 based on fossil material from the Middle Miocene of Austria. It was found in fine sandy clay.
The type specimen, a fossilised eggcase, measures 84 mm in diameter at its widest point but is only 18 mm thick. The mouth is 48 mm wide.
References
Argonauta joanneus Wikipedia(Text) CC BY-SA