Porcellanidae Haworth, 1825
Megalobrachium erosum (Glassell, 1936)
Megalobrachium festai (Nobili, 1901)
Megalobrachium garthi Haig, 1957
Megalobrachium mortenseni Haig, 1962
Megalobrachium pacificum Gore & Abele, 1974
Megalobrachium peruvianum Haig, 1960
Megalobrachium poeyi (Guérin-Méneville, 1855)
Megalobrachium roseum (Rathbun, 1900)
Megalobrachium sinuimanus (Lockington, 1878)
Megalobrachium smithi (Glassell, 1936)
Megalobrachium soriatum (Say, 1818)
Megalobrachium tuberculipes (Lockington, 1878)
