Sasaki, M. (1915). On a new species of oegopsids from the Bay of Toyama, Gonatus septemdentatus. Transactions of the Sapporo Natural History Society. 5: 185–189.
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Sasaki, M.
1915
On a new species of oegopsids from the Bay of Toyama, <i>Gonatus septemdentatus</i>.
Transactions of the Sapporo Natural History Society