Claim: The mollusca phylum includes the Choristellidae family covering the genus Chrositella, to which the species of sea snail Choristella nofronii belongs.
Evidence: Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda. Choristella nofronii is a species of sea snail, a marine gastropod mollusk in the family Choristellidae. Phylum: Mollusca Family: Choristellidae Choristella Genus: