Izumonauta
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Template:Short description Template:Automatic taxobox
Izumonauta is an extinct genus of shelled octopods from the Mid to Late Miocene of Japan and New Zealand.[1]
The keels of Izumonauta eggcases lack tubercules and are intermediate in morphology between those of the earlier Obinautilus and later Argonauta.[2]
The New Zealand fossil material was described from the Kapitean Stage (uppermost Miocene).[3]
References
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- ↑ Kobayashi, T. (1954). Izumonauta, a new genus of the Argonautinae, with a note on their rare but gregarious fossil occurrence. Japanese Journal of Geology and Geography 25: 21-34.
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- ↑ Marshall, B.A. (1971). Izumonauta (Argonautidae, Cephalopoda, Coleoida) from the Kapitean Stage (Uppermost Miocene) of New Zealand. New Zealand Journal of Geology and Geophysics 14: 288-292.
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Further reading
- Yanagisawa, Y. 1990. Script error: No such module "citation/CS1". (1.90 MiB)Script error: No such module "Check for unknown parameters". Bull. Geol. Surv. Japan 41 (3): 115-127.