Order: Octopoda <"eight-footed"> C. S. Rafinesque, 1815

(4-3-2-0-0-0-0-0-0-0-0-0-0)
Ref. Kozloff, 1987 p 295
Nesis, 1987 p 276
Syn. Polypoidea
Ref. Abbott, 1974 p 592
Abbott & Dance, 1982 p 389
Keen, 1971 p 19,893
Keen & Coan, 1974 p 150
Simon & Schuster, 1979 p 496
Vaught, 1989 p x,112
Wagner & Abbott, 1977