Argonautidae

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Argonautidae
Fossil range: Oligocene – Recent
Eggcase of Argonauta nodosa.
Eggcase of Argonauta nodosa.
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Octopoda
Superfamily: Argonautoida
Family: Argonautidae
Tryon, 1879
Genera

Argonauta
Izumonauta
Kapal
Mizuhobaris
Obinautilus

Argonautidae is a family of cephalopods encompassing the modern paper nautiluses of the genus Argonauta along with several extinct genera of shelled octopods.

All eggcases possessing nodes, ribs, and a double keel, with the exception of those of Kapal batavus, have been assigned to Argonauta. Eggcases lacking these morphological features have been placed in the other Argonautidae genera.[1]

Fossil Argonautidae eggcases have been described from Japan, New Zealand, Sumatra, Europe, and California.[1]

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