The genus Alloposus (now renamed Haliphron) contains one species, Haliphron atlanticus. It is a member of the order Argonautoidea. Originally this genus was divided into four sperate genera, however in 1859, it was determined that the four animals classified, were actually one in the same. It is commonly known as the "seven arm octopus", however, it still retains all eight of its arms.
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