Argonauta tokunagai
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Argonauta tokunagai Fossil range: Miocene |
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Fossil
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Argonauta tokunagai Yokoyama, 1913 |
Argonauta tokunagai is an extinct species of octopus. It was described in 1913 based on fossil material from the Middle Miocene Huzina Formation of Japan.[1]
Undescribed fossil species of Argonauta related to this taxon have been temporarily designated Argonauta cf. tokunagai and Argonauta "tokunagai".[2]
[edit] References
- ^ Martill, D.M. & M.J. Barker (2006). A paper nautilus (Octopoda, Argonauta) from the Miocene Pakhna Formation of Cyprus. Palaeontology 49 (5): 1035-1041.
- ^ Yanagisawa, Y. 1990. Age of fossil Argonautidae (Cephalopoda) from Hokuriku Province (central Honshu, Japan) based on diatom biostratigraphy.PDF (1.90 MiB) Bull. Geol. Surv. Japan 41(3): 115-127.