Claim: Mitromorpha commutabilis is a 4 mm species of sea snail from the order Neogastropoda, class Gastropoda of the kingdom Animalia.
Evidence: The length of the shell attains 4 mm, its diameter 1.5 mm. Mitromorpha commutabilis is a species of sea snail, a marine gastropod mollusk in the family Mitromorphidae. Order: Neogastropoda Class: Gastropoda Kingdom: Animalia