Argonauta itoigawai

Argonauta itoigawai is an extinct species of octopus. It was described in 1983 based on fossil material from the Pliocene Senhata Formation in Bōsō Peninsula, Japan.^[1]

Argonauta itoigawai Temporal range: Pliocene
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Octopoda
Family:	Argonautidae
Genus:	Argonauta
Species:	†A. itoigawai
Binomial name
†Argonauta itoigawai Tomida, 1983