Claim: Copulabyssia leptalea is a species of sea snail, a marine and second-largest phylum of invertebrate found both in freshwater, saltwater, and land in the family Pseudococculinidae, class Gastropoda, and phylum Mollusca.
Evidence: Copulabyssia leptalea is a species of sea snail, a marine gastropod mollusk in the family Pseudococculinidae. Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda. This class comprises snails and slugs from saltwater, from freshwater, and from the land. Class: Gastropoda Phylum: Mollusca