Kalmar "Boatbill" tana nufin wani tsuntsu na dangin kwale-kwalen kwalekwale (Clypeidae), da ake samu a Amurka ta Tsakiya da ta Kudu. Kudi na jirgin ruwa yana da faffadan faffadan faffadan faffadan, lissafin kudi mai kama da siffar jirgin ruwa. Sunan "Boatbill" an samo shi daga wannan siffa ta musamman.
