| Citation | Kasatkina, A.P., 1971 New neritic species of chaetognaths from Possjet Bay of the Sea of Japan. Issled. Fauny Morei 8:265-294. |
| Ref. | 3696 Kasatkina, A.P., 1971 |
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| Named Used as Valid | Mesosagitta exilis |
| Locality | Possjet Bay, Sea of Japan |
| Distribution | Northwest Pacific. |